US3532408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonant torsional oscillators
Assignee: Bulova Watch Co Inc
•
Filing: 1968-05-20
•
Granted: 1970-10-06
•
Expires: 1988-05-20
Abstract
No abstract record available.
Inventors
- 👤 Frank Dostal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:55
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/18; G02B7/182; G02B7/1821; G01; G01J; G01J1/00; G01J1/10; G01J1/20; G01J1/34; G01J1/36; G02B26/00; G02B26/08; G02B26/10; G02B26/101; G04; G04C; G04C3/00; G04C3/08; G04C3/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2059159A
Cited
US1941319A
Cited
US2501538A
Cited
US2486334A
Cited
GB804694A
Cited
US2928057A
Cited
US3150337A
Cited
US3256769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |