US2889747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recoilless gun for separate loading ammunition
Assignee: Individual
•
Filing: 1956-10-30
•
Granted: 1959-06-09
•
Expires: 1976-10-30
Abstract
No abstract record available.
Inventors
- 👤 Ewald A Kamp
- 👤 Richard W Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:47
CPC Classifications
F; F41; F41A; F41A1/00; F41A1/08; F41A3/00; F41A3/64; F41A3/74; F41A3/76; F41A9/00; F41A9/38; F41A9/45
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |