US3091474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck for drive shafts
Assignee: Mixing Equipment Co Inc
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Filing: 1960-11-23
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Granted: 1963-05-28
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Expires: 1980-11-23
Abstract
No abstract record available.
Inventors
- 👤 Richard D Boutros
- 👤 Dykman Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:01
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B31/1078; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17846; Y10T279/17923; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1934; Y10T407/1938; Y10T407/22; Y10T407/2272; Y10T407/2282; Y10T407/2284
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A CHUCK FOR DRIVE SHAFTS AND THE LIKE COMPRISING A BODY PORTION FORMED WITH A BORE FOR RECEPTION OF A DRIVEN SHAFT AND A SHANK CONCENTRIC WITH SAID BORE FOR CONNECTION WITH DRIVING MEANS, SAID BODY PORTION HAVING THEREIN AN OPENING EXTENDING TRANSVERSELY OF AND INTERSECTING SAID DRIVEN SHAFT BORE ECCENCTRICALLY OF THE AXIS THEREOF, A WEDGE
Claim 2
Dependent Claim
57 words
A CHUCK FOR DRIVE SHAFTS AND THE LIKE COMPRISING A BODY PORTION FORMED WITH A BORE FOR RECEPTION OF A DRIVEN SHAFT AND A SHANK CONCENTRIC WITH SAID BORE FOR CONNECTION WITH DRIVING MEANS, SAID BODY PORTION HAVING THEREIN AN OPENING EXTENDING TRANSVERSELY OF AND INTERSECTING SAID DRIVEN SHAFT BORE ECCENCTRICALLY OF THE AXIS THEREOF, A WEDGE
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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |