Machines not elsewhere specified – Agricultural or construction machinery – Drilling – mining – or soil treatment
Design Patent
2007-10-09
2007-10-09
Zarfas, Louis S. (Department: 2914)
Machines not elsewhere specified
Agricultural or construction machinery
Drilling, mining, or soil treatment
CD25S199000
Design Patent
active
29265869
CLAIM:
The ornamental design for a guard for well operations apparatus, as shown and described.
REFERENCES:
patent: D41329 (1911-04-01), King
patent: 1527178 (1925-02-01), Estes
patent: 1573215 (1926-02-01), Yorke
patent: 1961541 (1934-06-01), Adams
patent: D217242 (1970-04-01), Comellas
patent: 4030364 (1977-06-01), Atwood
patent: 4080846 (1978-03-01), Calhoun
patent: 4449596 (1984-05-01), Boyadjieff
patent: 4529045 (1985-07-01), Boyadjieff et al.
patent: 4605077 (1986-08-01), Boyadjieff
patent: 4625796 (1986-12-01), Boyadjieff
patent: 4759414 (1988-07-01), Willis
patent: 4813493 (1989-03-01), Shaw et al.
patent: 4834604 (1989-05-01), Brittain et al.
patent: 4872517 (1989-10-01), Shaw et al.
patent: 5107940 (1992-04-01), Berry
patent: 5433279 (1995-07-01), Tessari et al.
patent: 6276450 (2001-08-01), Seneviratne
patent: 6530432 (2003-03-01), Gipson
patent: 6536520 (2003-03-01), Snider et al.
patent: 6679333 (2004-01-01), York et al.
patent: 6688398 (2004-02-01), Pietras
patent: 6705405 (2004-03-01), Pietras
patent: 6725938 (2004-04-01), Pietras
patent: 6973979 (2005-12-01), Carriere et al.
patent: 7040406 (2006-05-01), Dore et al.
patent: D532798 (2006-11-01), Folk et al.
patent: D533196 (2006-12-01), Folk et al.
patent: 2003/0141057 (2003-07-01), Homstvedt et al.
patent: 2003/0168221 (2003-09-01), Zachman
patent: 2004/0221994 (2004-11-01), Kauffman et al.
patent: 2005/0269072 (2005-12-01), Folk et al.
patent: 2005/0269104 (2005-12-01), Folk et al.
patent: 2005/0274508 (2005-12-01), Folk et al.
patent: 2005/0279492 (2005-12-01), Folk et al.
patent: 2005/0279507 (2005-12-01), Folk et al.
Varco General Catalog 2002; Varco L.P.: cover page; pp. 44, 45, 58, 65; 2002.
BJ 1986-87 Oil Field Products and Systems; BJ Hughes Drilling Equipment; cover page, pp. 7, 16; 1986.
Advanced Permanent Magnet Motor Technology: Tesco Drilling Technology; 2 pp.; Apr. 1998.
Powerful Hydraulic Compact Top Drive Drilling System; Tesco Drilling System; 2 pp.; Apr. 1998.
Dworzecka Anna K.
McClung Guy
Varco I/P Inc.
Zarfas Louis S,.
LandOfFree
Guard for well operations apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Guard for well operations apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Guard for well operations apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3892307