US2918316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collet for variable pitch propeller hub
Assignee: Russell Manufacturing Co
•
Filing: 1957-07-26
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Granted: 1959-12-22
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Expires: 1977-07-26
Abstract
No abstract record available.
Inventors
- 👤 Leslie A Runton
- 👤 Henry C Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:11
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/02; B64C11/04; B64C11/06; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/28; F16C2326/00; F16C2326/43; Y; Y10; Y10S; Y10S417/00; Y10S417/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A BEARING MEMBER COMPRISING A COLLECT HAVING A FRUSTOCONCIAL PERIPHERY, SAID COLLECT, COMPRISING AN INNER PLY AND AT LEAST TWO OUTER PLIES, SAID INNER PLY BEING OF FABRIC WIDTH THAN SAID OUTER PLIES, SAID INNER PLY BEING A FABRIC WEB IN WHICH THE WRAP CONSISTS ESSENTIALLY OF MULTIFILAMENT TEFLON YARNS AND THE FILLER OF YARNS OF A RESIN BONDABLE MATERIAL, SAID OUTER PLIES BEING FABRIC WEBS IN WHICH BOTH THE WRAP YARNS AND THE INNER PLY AND THE OF A RESIN BONDABLE MATERIAL, AND THE INNER PLY AND THE OUTER PLIES BEING JOINED TOGETHER BY A CURED THERMOSETTING BONDING RESIN WHICH IMPREGNATES BOTH THE INNER PLY AND THE OUTER PLIES WITH THE TEFLON YARN OF THE INNER PLY BEING EMBEDDED IN A HELD BY THE BONDING RESIN AND BY THE FILLER YARNS OF RESIN BONDABLE MATERIAL, THE TEFLON YARN ON THE INNER SURFACE OF TH COLLECT BEING EXPOSED TO CONSTITUTE THE BEARING SURFACE OF THE COLLET.
Claim 2
Dependent Claim
156 words
A BEARING MEMBER COMPRISING A COLLECT HAVING A FRUSTOCONCIAL PERIPHERY, SAID COLLECT, COMPRISING AN INNER PLY AND AT LEAST TWO OUTER PLIES, SAID INNER PLY BEING OF FABRIC WIDTH THAN SAID OUTER PLIES, SAID INNER PLY BEING A FABRIC WEB IN WHICH THE WRAP CONSISTS ESSENTIALLY OF MULTIFILAMENT TEFLON YARNS AND THE FILLER OF YARNS OF A RESIN BONDABLE MATERIAL, SAID OUTER PLIES BEING FABRIC WEBS IN WHICH BOTH THE WRAP YARNS AND THE INNER PLY AND THE OF A RESIN BONDABLE MATERIAL, AND THE INNER PLY AND THE OUTER PLIES BEING JOINED TOGETHER BY A CURED THERMOSETTING BONDING RESIN WHICH IMPREGNATES BOTH THE INNER PLY AND THE OUTER PLIES WITH THE TEFLON YARN OF THE INNER PLY BEING EMBEDDED IN A HELD BY THE BONDING RESIN AND BY THE FILLER YARNS OF RESIN BONDABLE MATERIAL, THE TEFLON YARN ON THE INNER SURFACE OF TH COLLECT BEING EXPOSED TO CONSTITUTE THE BEARING SURFACE OF THE COLLET.
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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) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |