US3566489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Replaceable spike for shoes
Assignee: Individual
•
Filing: 1969-07-29
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Granted: 1971-03-02
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Expires: 1989-07-29
Abstract
Abstract AN ASSEMBLY IS DESCRIBED FOR READY REPLACEMENT OF A SHOE SPIKE. THE ASSEMBLY COMPRISES A ONE OR TWO PIECE ANCHOR EXTENDING THROUGH THE OUTER SOLE AND HAVING A FLANGE ON THE OUTER SOLE AND A REPLACEABLE SPIKE MEMBER LOCKED INTO THE RETAINER MEMBER BY TERMINAL SPLIT FINGER PROTUBERANCES.
Inventors
- 👤 Robert C Morley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:08
CPC Classifications
A; A43; A43D; A43D100/00; A43D100/14; A43C; A43C15/00; A43C15/16; A43C15/161
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |