US3221966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder actuated tool
Assignee: Omark Industries Inc
•
Filing: 1963-01-11
•
Granted: 1965-12-07
•
Expires: 1983-01-11
Abstract
No abstract record available.
Inventors
- 👤 Kopf Rowland Joseph
- 👤 John F Humphrey
- 👤 Thomas E Shoup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:44
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/12; B25C1/123; B25C1/18; B25C1/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A POWDER ACTUATED TOOL HAVING A SLEEVE SURROUNDING A BARREL, A COMBINATION OF: (A) A GENERALLY RECTANGULAR GUARD BODY ECCENTRICALLY FIXED TO THE SLEEVE, AND A GENERALLY CIRCULAR GUARD ATTACHMENT REMOVABLY CONNECTABLE ON THE GUARD BODY; (B) SAID GUARD ATTACHMENT BEING CONNECTABLE TO THE BODY IN AT LEAST TWO POSITIONS; (C) SAID BODY AND ATTACHMENT TOGETHER BEING GENERALLY CIRCULAR AND CONCENTRIC WITH RESPECT TO THE SLEEVE WHEN THE ATTACHMENT IS SECURED IN ONE POSITION; AND,
Claim 2
Dependent Claim
76 words
IN A POWDER ACTUATED TOOL HAVING A SLEEVE SURROUNDING A BARREL, A COMBINATION OF: (A) A GENERALLY RECTANGULAR GUARD BODY ECCENTRICALLY FIXED TO THE SLEEVE, AND A GENERALLY CIRCULAR GUARD ATTACHMENT REMOVABLY CONNECTABLE ON THE GUARD BODY; (B) SAID GUARD ATTACHMENT BEING CONNECTABLE TO THE BODY IN AT LEAST TWO POSITIONS; (C) SAID BODY AND ATTACHMENT TOGETHER BEING GENERALLY CIRCULAR AND CONCENTRIC WITH RESPECT TO THE SLEEVE WHEN THE ATTACHMENT IS SECURED IN ONE POSITION; AND,
References Cited (Backward Citations)
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US2984836A
Cited
US3074070A
Cited
US3072911A
Cited
US3119113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |