US2646672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoflash gun
Assignee: Polaroid Corp
•
Filing: 1949-05-14
•
Granted: 1953-07-28
•
Expires: 1969-05-14
Abstract
No abstract record available.
Inventors
- 👤 Murry N Fairbank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:34
CPC Classifications
F; F21; F21K; F21K5/00; F21K5/02; F21K5/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1949008A
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US2170529A
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US2200458A
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US2302031A
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US2310165A
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US2343552A
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US2384327A
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US2395600A
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US2406725A
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US2421057A
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US2477895A
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US2584858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |