US3043950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire
Assignee: Westinghouse Electric Corp
•
Filing: 1957-07-26
•
Granted: 1962-07-10
•
Expires: 1977-07-26
Abstract
No abstract record available.
Inventors
- 👤 Merle E Keck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:34
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732483A
Cited
US1240452A
Cited
US1761528A
Cited
US2304208A
Cited
US2778929A
Cited
US2763774A
Cited
US2840690A
Cited
US2849574A
Cited
US2829243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |