US3623185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-latching hinge
Assignee: ILCO UNICAN Corp A CORP OF
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Filing: 1970-02-02
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Granted: 1971-11-30
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Expires: 1990-02-02
Abstract
Abstract THE FOLLOWING SPECIFICATION DESCRIBES A DOOR OR CABINET HINGE IN WHICH A LATCH INTERGRALLY FORMED ON ONE OF THE HINGE LEAVES ENGAGES A LEAF SPRING CAMOUFLAGED BY THE OTHER LEAF ON CLOSING OF THE DOOR FOR LATCHING THE DOOR CLOSED WITH THE SPRING SERVING TO PIVOT THE DOOR CLOSED.
Inventors
- 👤 Robert S Cartwright
- 👤 James R Deadrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:38
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/10; E05D11/1014; E05D11/1028; E05D11/105; E05Y; E05Y2900/00; E05Y2900/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |