US3368807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration isolator
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1966-01-19
•
Granted: 1968-02-13
•
Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Howard G Thrasher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:12
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/10; F16F13/00; F16F13/04; F16F13/06; F16F13/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1953128A
Cited
US2380899A
Cited
US2387066A
Cited
FR1087201A
Cited
US3107752A
Cited
US3196988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |