US3061715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lighting units
Assignee: Individual
•
Filing: 1959-12-14
•
Granted: 1962-10-30
•
Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:44
CPC Classifications
G; G09; G09F; G09F13/00; F; F21; F21V; F21V23/00; F21V23/06; F21W; F21W2121/00; Y; Y10; Y10S; Y10S63/00; Y10S63/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE307950C
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DE302146C
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FR463572A
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US1286514A
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US2755452A
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US2687515A
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GB756932A
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US2809316A
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US2818497A
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US2795768A
Cited
US2759096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |