Patent US3458696A successfully refreshed from Google Patents.
US3458696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic flashgun for photographic purposes
Assignee: Individual
•
Filing: 1965-10-07
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Granted: 1969-07-29
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Expires: 1985-10-07
Abstract
No abstract record available.
Inventors
- 👤 Paul Kapteyn
- 👤 Walter Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:40
CPC Classifications
D; D03; D03D; D03D49/00; D03D49/52; G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/05; G03B2215/00; G03B2215/05; G03B2215/0514; G03B2215/0517; G03B2215/056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2213749A
Cited
US2783696A
Cited
US2868958A
Cited
FR1219752A
Cited
US3134547A
Cited
US3204089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |