Patent US2356553A successfully refreshed from Google Patents.
US1982501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connecting means
Assignee: Individual
•
Filing: 1932-06-13
•
Granted: 1934-11-27
•
Expires: 1952-06-13
Abstract
No abstract record available.
Inventors
- 👤 Harry A Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:20
CPC Classifications
H; H01; H01R; H01R31/00; H01R31/02; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3916; Y10T24/3924; Y10T403/00; Y10T403/44; Y10T403/71; Y10T403/7129; Y10T403/7141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-11-26 | 1938-05-28 | 1938-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-11-26 | 1942-05-28 | 1942-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-11-26 | 1946-05-28 | 1946-11-27 | $7700.00 | Window Closed / Lapsed |