US2609731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivoted breech block locking mechanism
Assignee: Saab Bofors AB
•
Filing: 1948-05-06
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Granted: 1952-09-09
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Expires: 1968-05-06
Abstract
No abstract record available.
Inventors
- 👤 Sahlin Borje
- 👤 Nyqvist Halvar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:49
CPC Classifications
F; F41; F41A; F41A3/00; F41A3/12; F41A3/36; F41A3/38; F41A3/40; F41A5/00; F41A5/02; F41A5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |