US3400661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projectile
Assignee: Individual
•
Filing: 1966-05-13
•
Granted: 1968-09-10
•
Expires: 1986-05-13
Abstract
No abstract record available.
Inventors
- 👤 John M Coon
- 👤 Rolland G Sturm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:38
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/46; F42; F42B; F42B14/00; F42B14/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US43017A
Cited
US1309791A
Cited
US2820412A
Cited
US3055268A
Cited
US3148472A
Cited
US3185094A
Cited
US3164092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |