Patent US5036903A successfully refreshed from Google Patents.
US2744705A
Expired / Lapsed
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Resilient supports for light tubes
Assignee: Everbrite Electric Signs Inc
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Filing: 1952-10-01
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Granted: 1956-05-08
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Expires: 1972-10-01
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:34
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/975; H01R33/9753; F; F21; F21V; F21V19/00; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |