Patent US3075307A successfully refreshed from Google Patents.
US3075307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe attachment
Assignee: Individual
•
Filing: 1961-03-17
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Granted: 1963-01-29
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
- 👤 Anthony F Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:22
CPC Classifications
A; A43; A43B; A43B5/00; A43B5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN AN ATTACHMENT FOR SHOES, A FLEXIBLE SOLE HAVING AN UPPER AND LOWER SURFACE, A SIDE WALL MEMBER INTEGRAL WITH SAID SOLE, SPIKE HEAD RECEIVING SEATS FORMED IN THE UPPER SURFACE OF SAID SOLE, MEANS FOR SECURING SAID SOLE TO A SHOE AND DETACHABLE SPIKES HAVING SPIKE HEADS MOUNTED IN AND EXTENDING THROUGH SAID SOLE AND THE HEADS THEREOF SEATED IN SAID SEATS AND MAINTAINED THEREIN BY THE PRESSURE OF THE SOLE OF THE SHOE OF A USER.
Claim 2
Dependent Claim
78 words
IN AN ATTACHMENT FOR SHOES, A FLEXIBLE SOLE HAVING AN UPPER AND LOWER SURFACE, A SIDE WALL MEMBER INTEGRAL WITH SAID SOLE, SPIKE HEAD RECEIVING SEATS FORMED IN THE UPPER SURFACE OF SAID SOLE, MEANS FOR SECURING SAID SOLE TO A SHOE AND DETACHABLE SPIKES HAVING SPIKE HEADS MOUNTED IN AND EXTENDING THROUGH SAID SOLE AND THE HEADS THEREOF SEATED IN SAID SEATS AND MAINTAINED THEREIN BY THE PRESSURE OF THE SOLE OF THE SHOE OF A USER.
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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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |