US2884513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medical headlight
Assignee: Individual
•
Filing: 1956-12-19
•
Granted: 1959-04-28
•
Expires: 1976-12-19
Abstract
No abstract record available.
Inventors
- 👤 Robert H Giller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:58
CPC Classifications
F; F21; F21L; F21L14/00; A; A61; A61B; A61B3/00; A61B3/0008; F21V; F21V17/00; F21V17/02; Y; Y10; Y10S; Y10S362/00; Y10S362/804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1705465A
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US1609901A
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US1893773A
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US2026156A
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US2287328A
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US2339356A
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US2433690A
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US2452646A
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US2477957A
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US2452450A
Cited
US2517422A
Cited
US2692329A
Cited
US2740882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |