US3361289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weatherproof hinge
Assignee: GTE Sylvania Inc
•
Filing: 1964-10-12
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Granted: 1968-01-02
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Expires: 1984-10-12
Abstract
No abstract record available.
Inventors
- 👤 William R Mattson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:31
CPC Classifications
F; F21; F21V; F21V15/00; F21V15/01; F21V15/013; F21V17/00; F21V17/10; F21V17/102; F21V17/107; F21V31/00; F21Y; F21Y2103/00
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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |