Locks – Parts – attachments – accessories and adjuncts – Condition indicators
Reexamination Certificate
2005-05-03
2005-05-03
Barrett, Suzanne Dino (Department: 3676)
Locks
Parts, attachments, accessories and adjuncts
Condition indicators
C070S395000, C070S408000, C070S423000
Reexamination Certificate
active
06886382
ABSTRACT:
The key with a lock-unlock indicator is operable with a complementary lock set. The key has a body and an elongated key stem extending therefrom. A toggle bar is pivotally mounted or disposed on the key stem. The toggle bar operates in conjunction with a lock cam and an unlock cam mounted on the face of the complementary lock set. When the operator turns the key in one direction, the lock cam motivates the toggle bar thereby shifting its position. An indicator disposed in the key body displaying a lock condition and an unlock condition.
REFERENCES:
patent: 14958 (1856-05-01), Hendrickson
patent: 468807 (1892-02-01), Kinter
patent: 592300 (1897-10-01), Lyon
patent: 1237115 (1917-08-01), Stein
patent: 1843335 (1932-02-01), Oberfield
patent: 2176465 (1939-10-01), Merkl
patent: 2198484 (1940-04-01), Merkl
patent: 2418046 (1947-03-01), Oberfield
patent: 2561944 (1951-07-01), Oberfield
patent: 4107967 (1978-08-01), Grabb
patent: 4292995 (1981-10-01), Mazzola
patent: 4432218 (1984-02-01), Hoener
patent: 4440011 (1984-04-01), Klein
patent: 4557123 (1985-12-01), Marks et al.
patent: 4631943 (1986-12-01), Hoener
patent: 4732024 (1988-03-01), Nagy
patent: 4936896 (1990-06-01), Takatsuka
patent: 5435160 (1995-07-01), Linsalato et al.
patent: 5440909 (1995-08-01), Ely et al.
patent: 5548984 (1996-08-01), Miyatsu
patent: 5671624 (1997-09-01), Sivils
patent: 5870917 (1999-02-01), Mahot et al.
patent: 6255957 (2001-07-01), Sonderegger et al.
patent: 6354122 (2002-03-01), Snoke
patent: 6575005 (2003-06-01), Hunter
patent: 6610947 (2003-08-01), Campana et al.
patent: 20020014098 (2002-02-01), Cowan et al.
patent: 20040103702 (2004-06-01), Abeler
Barrett Suzanne Dino
Kain Fleit
Kain, Jr. Robert C.
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