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Patent US2967928A successfully refreshed from Google Patents.
US2967928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture
Assignee: Individual
•
Filing: 1957-09-20
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Granted: 1961-01-10
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Expires: 1977-09-20
Abstract
No abstract record available.
Inventors
- 👤 Wolar Isidore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:44
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/10; F21V17/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1193520A
Cited
US1036064A
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US1443748A
Cited
US1985582A
Cited
US1958051A
Cited
US2568893A
Cited
US2701299A
Cited
US2820888A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |