US3469504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact dissipating device
Assignee: Omark Industries Inc
•
Filing: 1967-12-14
•
Granted: 1969-09-30
•
Expires: 1987-12-14
Abstract
No abstract record available.
Inventors
- 👤 Roy G Neighorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:48
CPC Classifications
F; F01; F01B; F01B23/00; F01B23/06; B; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/14; B25C1/143
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1466968A
Cited
US1825632A
Cited
US2260070A
Cited
US2787984A
Cited
US2820433A
Cited
US2875730A
Cited
US2879986A
Cited
US3060437A
Cited
US3063054A
Cited
US3111673A
Cited
US3042004A
Cited
US3172119A
Cited
US3239121A
Cited
US3168744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |