Patent US2935601A successfully refreshed from Google Patents.
US2935601A
Expired / Lapsed
US
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Luminaire and mounting means therefor
Assignee: Westinghouse Electric Corp
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Filing: 1956-08-17
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Granted: 1960-05-03
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Expires: 1976-08-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Steiner
- 👤 Edward L Beach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:50
CPC Classifications
F; F21; F21S; F21S8/00; F21V; F21V31/00; F21W; F21W2131/00; F21W2131/40; F21W2131/401
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1340550A
Cited
US1903087A
Cited
US1931343A
Cited
US2067722A
Cited
US2257038A
Cited
FR1045180A
Cited
US2747078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |