Patent US2640700A successfully refreshed from Google Patents.
US2640700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonograph and the like
Assignee: Garrard Eng & Manufacturing Co Ltd
•
Filing: 1947-09-30
•
Granted: 1953-06-02
•
Expires: 1967-09-30
Abstract
No abstract record available.
Inventors
- 👤 Mortimer Edmund Walter
- 👤 Wilkins Edward William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:52
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1429839A
Cited
US1454504A
Cited
US1711666A
Cited
US2113401A
Cited
US2166986A
Cited
US2219504A
Cited
US2316174A
Cited
US2552757A
Cited
US2556421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |