Patent US2531533A successfully refreshed from Google Patents.
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
2026-10-28 22:45
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/06; H01R33/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |