Patent US2864938A successfully refreshed from Google Patents.
US2864938A
Expired / Lapsed
US
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Repeating photoflash gun
Assignee: GTE Sylvania Inc
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Filing: 1954-03-23
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Granted: 1958-12-16
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Expires: 1974-03-23
Abstract
No abstract record available.
Inventors
- 👤 Robert E Shaw
- 👤 Frank H Walker
- 👤 Jr John H Quinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:08
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/0442
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2006171A
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US2214230A
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US2251609A
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US2230829A
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US2408470A
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US2485404A
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US2672039A
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US2774862A
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US2774861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |