US3205758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threadless retaining plate
Assignee: United Shoe Machinery Corp
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Filing: 1961-11-14
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Granted: 1965-09-14
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Expires: 1981-11-14
Abstract
No abstract record available.
Inventors
- 👤 Walter F Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:52
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/20; Y; Y10; Y10S; Y10S411/00; Y10S411/918
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
127 words
A RETAINING PLATE FOR ASSEMBLY ONTO A MANDREL, SAID PLATE BEING FORMED OF RESILIENT MATERIAL AND COMPRISING A CENTRAL APERTUE HAVING A DIAMETER LESS THAN THAT OF THE MANDREL ONTO WHICH THE PLATE IS TO BE ASSEMBLED, AND A SERIES OF OUTER APERTURES UNIFORMLY DISPOSED ABOUT THE CENTRAL APERTURE AND SPACED RADIALLY THEREFROM, THE PLATE BEING SHEARED ALONG LINES EXTENDING BETWEEN EACH OUTER APERTURE AND THE CENTRAL APERTURE FORMING INWARDLY EXTENDING TONGUES, A SIDE EDGE PORTION ONLY OF EACH TONGUE BEING BETWEEN THE CENTRAL APERTURE AND AN OUTER APERTURE BENT UPWARDLY OUT OF THE GENERAL PLANE OF THE PLATE ALONG A BEND LINE WHICH IS GENERALLY PARALLEL TO THE SHEAR LINE, WHEREBY THE END OF SAID SIDE EDGE PORTION IS DISPOSED FOR INCLINED ENGAGEMENT WITH SAID MANDREL.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |