US3427924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically fired gun and cartridge therefor
Assignee: Individual
•
Filing: 1966-10-20
•
Granted: 1969-02-18
•
Expires: 1986-10-20
Abstract
No abstract record available.
Inventors
- 👤 Erich Cornelius Johnsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:17
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/58; F41A19/64; F41A19/03; F41A3/00; F41A3/02; F41A3/10; F41A9/00; F41A9/38; F41A9/39; F41A9/40; F41A9/41; F42; F42B; F42B10/00; F42B10/32; F42B10/34; F42B5/00; F42B5/02; F42B5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US337872A
Cited
US1314761A
Cited
US2313030A
Cited
US2466929A
Cited
GB710250A
Cited
US2831402A
Cited
US2839966A
Cited
US3208181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |