US2677803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proving process for primers of electrically fired ammunition
Assignee: Individual
•
Filing: 1950-09-12
•
Granted: 1954-05-04
•
Expires: 1970-09-12
Abstract
No abstract record available.
Inventors
- 👤 Wallace G Rork
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:01
CPC Classifications
F; F42; F42C; F42C21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2007772A
Cited
US2005011A
Cited
US2371636A
Cited
US2451613A
Cited
US2466746A
Cited
US2523017A
Cited
US2585121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |