US3296829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft-to-hub coupling for non-metallic hubs
Assignee: Williams International Corp
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Filing: 1965-06-23
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Granted: 1967-01-10
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Expires: 1985-06-23
Abstract
No abstract record available.
Inventors
- 👤 Sam B Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:12
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/025; F02; F02C; F02C7/00; F02C7/08; F02C7/10; F02C7/105; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0852; F16D1/0858; F16D3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
IN A SHAFT-TO-HUB COUPLING, A HOLLOW ELONGATED MEMBER, AND A PLURALITY OF SETS OF SPRING FINGERS SECURED TO ANGULARLY SPACED SIDE PORTIONS OF SAID MEMBER AND EXTENDING OUTWARDLY THEREFROM, EACH SET OF SPRING FINGERS COMPRISING A BASE PORTION SECURED TO THE CORRESPONDING SIDE OF SAID ELONGATED MEMBER AND A PLURALITY OF IDENTICALLY SHAPED ARCUATE SPRING-LIKE FINGERS EXTENDING OUT-
Claim 2
Dependent Claim
58 words
IN A SHAFT-TO-HUB COUPLING, A HOLLOW ELONGATED MEMBER, AND A PLURALITY OF SETS OF SPRING FINGERS SECURED TO ANGULARLY SPACED SIDE PORTIONS OF SAID MEMBER AND EXTENDING OUTWARDLY THEREFROM, EACH SET OF SPRING FINGERS COMPRISING A BASE PORTION SECURED TO THE CORRESPONDING SIDE OF SAID ELONGATED MEMBER AND A PLURALITY OF IDENTICALLY SHAPED ARCUATE SPRING-LIKE FINGERS EXTENDING OUT-
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |