Patent US2496680A successfully refreshed from Google Patents.
US2496680A
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US
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Photoflash lamp socket with test lamp
Assignee: Kalart Co Inc
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Filing: 1947-10-28
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Granted: 1950-02-07
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Expires: 1967-10-28
Abstract
No abstract record available.
Inventors
- 👤 Schwartz Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:05
CPC Classifications
F; F21; F21K; F21K5/00; F21K5/02; F21K5/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303464A
Cited
GB370142A
Cited
US2056806A
Cited
US2200458A
Cited
US2298403A
Cited
US2329011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |