US2670210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonograph apparatus
Assignee: Lanteris Space LLC
•
Filing: 1950-03-06
•
Granted: 1954-02-23
•
Expires: 1970-03-06
Abstract
No abstract record available.
Inventors
- 👤 Elmer O Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:21
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/04; G11B17/0401; G11B17/0405; G11B17/0407; G11B19/00; G11B19/02; G11B19/14; G11B19/16; G11B19/165
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1919378A
Cited
US1981175A
Cited
US2022293A
Cited
US1887309A
Cited
US2100686A
Cited
US2042915A
Cited
US2295460A
Cited
US2396094A
Cited
US2527646A
Cited
US2596016A
Cited
US2548372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |