Patent US6772131B1 successfully refreshed from Google Patents.
US2615072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Socket receptacle for electric light bulbs
Assignee: Individual
•
Filing: 1948-03-02
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Granted: 1952-10-21
•
Expires: 1968-03-02
Abstract
No abstract record available.
Inventors
- 👤 Gilbert Margaret Doris
- 👤 Coates Norman
- 👤 The Chase National Bank Of Of
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:59
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1145717A
Cited
US1336431A
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US1727148A
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US1820261A
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US2110035A
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US2229403A
Cited
US2283934A
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US2284745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |