Patent US2502302A successfully refreshed from Google Patents.
US2502302A
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US
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Assignee: JAMES H CANNON
•
Filing: 1945-04-09
•
Granted: 1950-03-28
•
Expires: 1965-04-09
Abstract
No abstract record available.
Inventors
- 👤 Samuel L Arson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:58
CPC Classifications
H; H01; H01R; H01R24/00; H01R24/20; H01R2101/00; Y; Y10; Y10S; Y10S439/00; Y10S439/954
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |