Patent US2923911A successfully refreshed from Google Patents.
US2923911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
demurjian
Assignee: —
•
Filing: —
•
Granted: 1960-02-02
•
Expires: 1977-02-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:56
CPC Classifications
H; H01; H01R; H01R12/00; H01R12/70; H01R12/82; H01R12/85; H01R12/88; H01R12/71; H01R12/72; H01R12/722; H01R13/00; H01R13/40; H01R13/42; H01R13/428; H01R13/432; H01R2107/00; H01R24/00; H01R24/66; H01R31/00; H01R31/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US468654A
Cited
US1472215A
Cited
US1666247A
Cited
US2212505A
Cited
US2304808A
Cited
US2254914A
Cited
US2261761A
Cited
US2514562A
Cited
GB648076A
Cited
GB684579A
Cited
US2730683A
Cited
US2768361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |