US2531533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-piece resilient socket for fluorescent lamps
Assignee: Individual
•
Filing: 1947-08-28
•
Granted: 1950-11-28
•
Expires: 1967-08-28
Abstract
No abstract record available.
Inventors
- 👤 Shaw Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:50
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/06; H01R33/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US882260A
Cited
US2024547A
Cited
US1970767A
Cited
US1952188A
Cited
US2099405A
Cited
US2283454A
Cited
US2296114A
Cited
US2329464A
Cited
US2428214A
Cited
US2468481A
Cited
US2449736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |