Patent US4029895A successfully refreshed from Google Patents.
US3525544A
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Combination latch and hinge apparatus
Assignee: Prudential Lighting Corp
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Filing: 1968-09-27
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Granted: 1970-08-25
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Expires: 1988-09-27
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:48
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/48; E05D15/50; E05D15/507; F; F21; F21V; F21V17/00; F21V17/10; F21V17/107; F21V17/16; F21V17/162; F21Y; F21Y2103/00; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0814; Y10T292/0818; Y10T292/0876; Y10T292/0883
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) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |