US3007035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic light source
Assignee: Individual
•
Filing: 1958-10-24
•
Granted: 1961-10-31
•
Expires: 1978-10-24
Abstract
No abstract record available.
Inventors
- 👤 Groff Kenneth C De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:18
CPC Classifications
F; F21; F21V; F21V7/00; G; G03; G03B; G03B15/00; G03B15/02; G03B15/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1159047A
Cited
US2547126A
Cited
US2560200A
Cited
US2596376A
Cited
US2763772A
Cited
US2682816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |