Corrugated leaching chamber

Hydraulic and earth engineering – Drainage or irrigation – Porous or apertured pipe – flume – or tileway

Reexamination Certificate

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Details

C405S046000, C405S049000, C138S105000, C138S173000

Reexamination Certificate

active

10677938

ABSTRACT:
A continuous curve arch shape cross section leaching chamber made of molded thermoplastic has closely spaced corrugations and sidewalls which are perforated with slots which slope downwardly, running from interior to exterior of the chamber. The slot height and or wall thickness vary with slot clevation from the base, to achieve a desired minimum Soil Threshold Angle in the slots, where said Angle parameter relates to resistance to entry of surrounding soil. Slotted wall thickness is less than about two times the thickness of the basic chamber wall thickness elsewhere. The chamber has properties and performance approximating prior art chambers, but has substantially less normalized weight and total weight.

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Remarks, with Exhibit A & Exhibit B, About “Mini-Chamber” Dated Nov. 18, 2005.
Correspondence from R. Cornelius Danaher, Jr., Esq. to Edmund A. Mikolowsky, Esq. on Sep. 2, 2005.
Correspondence from R. Cornelius Danaher, Jr., Esq. to Edmund A. Mikolowsky, Esq. on Sep. 6, 2005, with fax cover sheet.
Correspondence from Calum B. Anderson, Esq. to Barry S. Feigenbaum, Esq. on Dec. 30, 2005.
Correspondence from R. Cornelius Danaher, Jr., Esq. to Barry S. Feigenbaum, Esq. on Jan. 4, 2006.
Correspondence from Barry S. Feigenbaum, Esq. to R. Cornelius Danaher, Jr., Esq. on Jan. 4, 2006.
Correspondence from Barry S. Feigenbaum, Esq. to R. Cornelius Danaher, Jr., Esq. on Jan. 23, 2006.
Correspondence from R. Cornelius Danaher, Jr., Esq. to Barry S. Feigenbaum, Esq. on Jan. 25, 2006.
Correspondence from Barry S. Feigenbaum, Esq. to R. Cornelius Danaher, Jr., Esq. on Jan. 31, 2006.
Correspondence from R. Cornelius Danaher, Jr., Esq. to Barry S. Feigenbaum, Esq. on Feb. 10, 2006, with fax cover sheet.
Correspondence from Barry S. Feigenbaum, Esq. to R. Cornelius Danaher, Jr., Esq. on Feb. 13, 2006.
Correspondence from Daniel L. Reisner, Esq. to R. Cornelius Danaher, Jr., Esq. on Feb. 17, 2006.
Correspondence from R. Cornelius Danaher, Jr., Esq. to Daniel L. Reisner, Esq. on Feb. 23, 2006.
Correspondence from R. Cornelius Danaher, Jr., Esq. to Michael A. Cantor, Esq. on Mar. 21, 2006.
Correspondence from Michael A. Cantor, Esq. to R. Cornelius Danaher, Jr., Esq. on Mar. 27, 2006.
Civil Summons Complaint, Dec. 1, 2005, with summons-civil cover sheet.
Application for Temporay Injunction, Dec. 8, 2005.
Temporary Injunction, Dec. 8, 2005.
Motion for Expedited Discover, Dec. 8, 2005.
Order To Show Cause, Dec. 16, 2005.
Defendant's Motion For Expedited Discovery, Dec. 28, 2005.
Defendant's Objection To Plaintiff's Motion For Expedited Discovery, Dec. 28, 2005.
Defendant's Request To Revise, Dec. 28, 2005.
Subpoena Duces Tecum, Dec. 29, 2005.
Joint Motion For Continuance, Jan. 6, 2006.
Application for Case Referral—Complex Litigation Docket (CLD) (attachment of Jan. 6, 2006 Facsimile from Tara Goodrich, Paralegal to Neil Danaher, to Barry S. Feigenbaum, Esq.).
Order, Feb. 1, 2006.
Request For Leave To File First Amended Verified Complaint, Feb. 2, 2006.
Case Assignment to Hon. Robert E. Beach, Jr., Feb. 3, 2006.
Status of Appearances, Feb. 7, 2006.
Motion For Commission To Take Out-Of-State Deposition, Feb. 23, 2006.
General Case Management Order, Mar. 3, 2006.
Notice, Mar. 6, 2006.
Order, Mar. 9, 2006.
Short Calendar, Mar. 13, 2006.
Answer to First Amended Verified Complaint, Special Defenses and Counterclaim, Mar. 28, 2006.
Declaration of Douglas Hardesty, Sep. 15, 2006, Two Pages.

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