US3431816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile gas-operated electrically-actuated projectile firing system
Assignee: JOHN R DALE
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Filing: 1967-07-21
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Granted: 1969-03-11
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Expires: 1987-07-21
Abstract
No abstract record available.
Inventors
- 👤 John R Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:45
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/58; F41B; F41B11/00; F41B11/50; F41B11/57; F41B11/70; F41B11/71; F41B6/00
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) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |