Patent US3077680A successfully refreshed from Google Patents.
US3077680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable shoe heel
Assignee: Individual
•
Filing: 1961-08-10
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Granted: 1963-02-19
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Expires: 1981-08-10
Abstract
No abstract record available.
Inventors
- 👤 Moustakidis Theofani
- 👤 Aristomeni G Mantzouranis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:20
CPC Classifications
A; A43; A43B; A43B21/00; A43B21/36; A43B21/47; A43B21/48; A43B21/39; A43B21/40
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
STRUCTURE FOR DETACHABLY CONNECTING TWO ELEMENTS COMPRISING A BASE PLATE FOR ATTACHMENT TO ONE ELEMENT AND AN ATTACHING PLATE FOR SECUREMENT TO THE OTHER ELEMENT, INTERENGAGING CHANNEL MEANS OPERABLE BY MOVEMENT IN THE PLANE OF SAID PLATES FOR POSITIVELY SECURING THE PLATES AGAINST TRANSVERSE MOVEMENT TO THE PLANE OF THE PLATES, DETENT MEANS ON ONE OF SAID PLATES TO SECURE THE PLATES AGAINST MOVEMENT IN THE PLANE OF THE PLATES, KEEPER MEANS ON THE OTHER OF SAID PLATES FOR COOPERATING WITH SAID DETENT MEANS, AND DETENT RELEASING MEANS MOUNTED ON SAID OTHER PLATE TO RENDER SAID DETENT MEANS INOPERATIVE SO THAT SAID PLATES MAY BE SEPARATED BY MOVEMENT IN THE PLANE OF SAID PLATES.
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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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |