US3012090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Utility fixture
Assignee: Individual
•
Filing: 1958-02-21
•
Granted: 1961-12-05
•
Expires: 1978-02-21
Abstract
No abstract record available.
Inventors
- 👤 William W Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:44
CPC Classifications
F; F21; F21V; F21V23/00; H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/18; H02G3/20; F21Y; F21Y2113/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732090A
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US844276A
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US1044063A
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US1265294A
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US1233188A
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US1701935A
Cited
US1847924A
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US2435794A
Cited
US2518812A
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US2588760A
Cited
US2701349A
Cited
US2637793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |