US2477995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft-positioning apparatus
Assignee: BELMONT RADIO Corp
•
Filing: 1945-04-28
•
Granted: 1949-08-02
•
Expires: 1965-04-28
Abstract
No abstract record available.
Inventors
- 👤 Richard C Marholz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:27
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/04; H03J5/12; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7061
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US224387A
Cited
US682507A
Cited
US804999A
Cited
US1143928A
Cited
US1466379A
Cited
US1903060A
Cited
US2285247A
Cited
US2275247A
Cited
US2258814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |