Patent US2839667A successfully refreshed from Google Patents.
US2839667A
Expired / Lapsed
US
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Photographer's multi flash lamp
Assignee: Individual
•
Filing: 1954-09-07
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Granted: 1958-06-17
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Expires: 1974-09-07
Abstract
No abstract record available.
Inventors
- 👤 Cannella Steve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:42
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/0442; F; F21; F21K; F21K5/00; F21K5/02; F21K5/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1080750A
Cited
US2097250A
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US2113273A
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US2245707A
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US2404970A
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US2408469A
Cited
US2485403A
Cited
DE848012C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |