US3437802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High intensity lighting fixture
Assignee: Individual
•
Filing: 1967-12-11
•
Granted: 1969-04-08
•
Expires: 1987-12-11
Abstract
No abstract record available.
Inventors
- 👤 Charles Intrator
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:38
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/34; F21V21/35; F21V7/00; F21V7/22; F21V7/24; F21V7/28; F21W; F21W2131/00; F21W2131/40; F21W2131/406
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2188129A
Cited
US2205860A
Cited
US2975512A
Cited
US3255345A
Cited
US3311744A
Cited
US3319062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |