US2584277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic tuning device
Assignee: CG Conn Ltd
•
Filing: 1948-10-08
•
Granted: 1952-02-05
•
Expires: 1968-10-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:23
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/44; Y; Y10; Y10S; Y10S84/00; Y10S84/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US906211A
Cited
US1530498A
Cited
DE338510C
Cited
US2045172A
Cited
US2043828A
Cited
US2211540A
Cited
US2440284A
Cited
US2441334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |