US3504301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical oscillator
Assignee: Centre Electronique Horloger SA
•
Filing: 1968-01-30
•
Granted: 1970-03-31
•
Expires: 1988-01-30
Abstract
No abstract record available.
Inventors
- 👤 Max Hetzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:59
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/08; G04C3/10; G04C3/108; H; H03; H03B; H03B5/00; H03B5/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE1122997B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |