Patent US3469089A successfully refreshed from Google Patents.
US3469089A
Expired / Lapsed
US
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Removable circuit and unitary supporting member therefor in a luminaire having elongated discharge lamps
Assignee: Westinghouse Electric Corp
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Filing: 1966-05-24
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Granted: 1969-09-23
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Expires: 1986-05-24
Abstract
No abstract record available.
Inventors
- 👤 George J Picha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:03
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/02; F21V; F21V17/00; F21V17/10; F21V17/107; F21V23/00; F21V23/04; F21V23/02; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |