US2629829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of calibrating electric oscillation generators
Assignee: International Standard Electric Corp
•
Filing: 1946-10-22
•
Granted: 1953-02-24
•
Expires: 1966-10-22
Abstract
No abstract record available.
Inventors
- 👤 Daly Charles Trevor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:53
CPC Classifications
G; G01; G01R; G01R23/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US650096A
Cited
US2037577A
Cited
US2189457A
Cited
US2227135A
Cited
US2237440A
Cited
US2251332A
Cited
US2285038A
Cited
US2307505A
Cited
US2422386A
Cited
US2436235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |