Patent US3248420A successfully refreshed from Google Patents.
Patent US2870647A successfully refreshed from Google Patents.
US2870647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Geneva movement
Assignee: RCA Corp
•
Filing: 1956-11-01
•
Granted: 1959-01-27
•
Expires: 1976-11-01
Abstract
No abstract record available.
Inventors
- 👤 Lauxen Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:03
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/18; G03B1/38; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19879
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR903991A
Cited
US2795150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |