US2775166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivoted breech bolt lock for gas piston firearms
Assignee: Minister of Supply In Her Majesty S Government
•
Filing: 1952-08-22
•
Granted: 1956-12-25
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Expires: 1972-08-22
Abstract
No abstract record available.
Inventors
- 👤 Stefan K Janson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:34
CPC Classifications
F; F41; F41G; F41G11/00; F41G11/001; F41G11/005; F41A; F41A19/00; F41A19/06; F41A19/13; F41A19/25; F41A19/27; F41A19/29; F41A19/30; F41A19/33; F41A3/00; F41A3/12; F41A3/36; F41A3/38; F41A3/40; F41A3/64; F41A3/78; F41A3/82; F41A5/00; F41A5/18; F41C; F41C33/00; F41C33/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1096679A
Cited
GB191203660A
Cited
US1430662A
Cited
DE641356C
Cited
GB524641A
Cited
GB538344A
Cited
US2590981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |