Patent US3470688A successfully refreshed from Google Patents.
US3470688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Date and day correcting device of a calendar timepiece
Assignee: Suwa Seikosha KK
•
Filing: 1967-11-30
•
Granted: 1969-10-07
•
Expires: 1987-11-30
Abstract
No abstract record available.
Inventors
- 👤 Mamoru Miyasaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:06
CPC Classifications
G; G04; G04B; G04B19/00; G04B19/24; G04B19/243; G04B19/247; G04B19/25
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US563268A
Cited
CH16964A
Cited
FR57935E
Cited
CH288312A
Cited
US2591819A
Cited
US2671307A
Cited
CH425641A
Cited
FR1482957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |