Patent US3108412A successfully refreshed from Google Patents.
US3108412A
Expired / Lapsed
US
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Chuck for gears and the like
Assignee: Erickson Tool Co
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Filing: 1960-10-13
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Granted: 1963-10-29
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Expires: 1980-10-13
Abstract
No abstract record available.
Inventors
- 👤 Milton L Benjamin
- 👤 David D Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:41
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06; B24B41/061; B24B41/062; B23; B23B; B23B31/00; B23B31/02; B23B31/025; B23B33/00; B23F; B23F23/00; B23F23/02; B23F23/06; Y; Y10; Y10T; Y10T279/00; Y10T279/14; Y10T279/28; Y10T82/00; Y10T82/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A GEAR CHUCK COMPRISING A CHUCK BODY HAVING A CIRCULAR SERIES OF LOCATING PINS ADAPTED FOR ENGAGEMENT WITH THE TEETH OF A GEAR TO CENTER THE LATTER WITH RESPECT TO THE CHUCK, SAID CHUCK BODY ALSO HAVING A RADIALLY SHIFTABLE WORK-CENTER ADAPTED FOR ENGAGEMENT IN A CENTER-HOLE OF THE GEAR; MEANS FOR DISENGAGING ALL BUT ONE OF SAID PINS FROM THE GEAR; AND MEANS FOR LOCKING SAID WORK-CENTER TO SAID CHUCK BODY IN THE RADIALLY SHIFTED POSITION IT ASSUMES WHEN ENGAGED IN THE CENTER-HOLE OF THE PIN-CENTERED GEAR.
Claim 2
Dependent Claim
88 words
A GEAR CHUCK COMPRISING A CHUCK BODY HAVING A CIRCULAR SERIES OF LOCATING PINS ADAPTED FOR ENGAGEMENT WITH THE TEETH OF A GEAR TO CENTER THE LATTER WITH RESPECT TO THE CHUCK, SAID CHUCK BODY ALSO HAVING A RADIALLY SHIFTABLE WORK-CENTER ADAPTED FOR ENGAGEMENT IN A CENTER-HOLE OF THE GEAR; MEANS FOR DISENGAGING ALL BUT ONE OF SAID PINS FROM THE GEAR; AND MEANS FOR LOCKING SAID WORK-CENTER TO SAID CHUCK BODY IN THE RADIALLY SHIFTED POSITION IT ASSUMES WHEN ENGAGED IN THE CENTER-HOLE OF THE PIN-CENTERED GEAR.
References Cited (Backward Citations)
US1431761A
Cited
US1021011A
Cited
US1565227A
Cited
US1527067A
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US1799179A
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US2426376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |