US2793286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixtures
Assignee: Individual
•
Filing: 1956-01-30
•
Granted: 1957-05-21
•
Expires: 1976-01-30
Abstract
No abstract record available.
Inventors
- 👤 Theophile A Stiffel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:53
CPC Classifications
F; F16; F16M; F16M13/00; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/10; F16M11/20; F16M11/2007; F16M11/2021; F16M11/2028; F21; F21V; F21V21/00; F21V21/10; F21V21/116; F21V21/13; F21V21/14; F21V21/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US527273A
Cited
US953425A
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US1175522A
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US1573286A
Cited
US1999844A
Cited
US2120619A
Cited
US2164609A
Cited
US2540752A
Cited
US2638302A
Cited
US2688684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |