US3157405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck
Assignee: Individual
•
Filing: 1963-01-30
•
Granted: 1964-11-17
•
Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Robert W Hafemeister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:28
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/40; B23B31/404; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T279/1012; Y10T279/1037; Y10T279/1041; Y10T279/1054
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A CHUCK FOR HOLDING ARTICLES HAVING PORTIONS DEFINING A BORE THEREIN WITH A FACE SURFACE SURROUNDING THE BORE COMPRISING AN INNER SLEEVE HAVING TWO ENDS, A MULTIPLICITY OF PERIPHERALLY SPACED, RADIALLY EXTENDING, FLUTES ON SAID INNER SLEEVE HAVING INCLINED OUTER SURFACES OVER AT LEAST A PORTION OF THEIR LENGTH RANGING FROM A MINIMUM DIAMETER ADJACENT ONE OF SAID ENDS OF SAID INNER SLEEVE TO A MAXIMUM DIAMETER TOWARD THE OTHER OF SAID ENDS OF THE SAME, AN OUTER SLEEVE HAVING TWO ENDS, A CORRESPONDING MULTIPLICITY OF PERIPHERALLY SPACED, RADIALLY EXTENDING FLEXIBLE FINGERS DEFINED BY SAID OUTER SLEEVE, ONE OF SAID FLEXIBLE FINGERS BEING ASSOCIATED WITH EACH OF SAID FLUTES, A PROTUBERANCE CARRIED BY EACH OF SAID FLEXIBLE FINGERS ADJACENT ONE OF SAID ENDS OF SAID OUTER SLEEVE, EACH OF SAID PROTUBERANCES HAVING AN INNER SURFACE INCLINED IN CONFORMITY TO THE CONFIGURATION OF ITS ASSOCIATED FLUTE, RESILIENT MEANS SURROUNDING SAID FLEXIBLE FINGERS OVER SAID PROTUBERANCES MAINTAINING SAID INCLINED INNER SURFACE OF EACH PROTUBERANCE IN SLIDING ENGAGEMENT WITH THE INCLINED OUTER SURFACE OF ITS ASSOCIATED FLUTE, AND AN ANNULUS
Claim 2
Dependent Claim
177 words
A CHUCK FOR HOLDING ARTICLES HAVING PORTIONS DEFINING A BORE THEREIN WITH A FACE SURFACE SURROUNDING THE BORE COMPRISING AN INNER SLEEVE HAVING TWO ENDS, A MULTIPLICITY OF PERIPHERALLY SPACED, RADIALLY EXTENDING, FLUTES ON SAID INNER SLEEVE HAVING INCLINED OUTER SURFACES OVER AT LEAST A PORTION OF THEIR LENGTH RANGING FROM A MINIMUM DIAMETER ADJACENT ONE OF SAID ENDS OF SAID INNER SLEEVE TO A MAXIMUM DIAMETER TOWARD THE OTHER OF SAID ENDS OF THE SAME, AN OUTER SLEEVE HAVING TWO ENDS, A CORRESPONDING MULTIPLICITY OF PERIPHERALLY SPACED, RADIALLY EXTENDING FLEXIBLE FINGERS DEFINED BY SAID OUTER SLEEVE, ONE OF SAID FLEXIBLE FINGERS BEING ASSOCIATED WITH EACH OF SAID FLUTES, A PROTUBERANCE CARRIED BY EACH OF SAID FLEXIBLE FINGERS ADJACENT ONE OF SAID ENDS OF SAID OUTER SLEEVE, EACH OF SAID PROTUBERANCES HAVING AN INNER SURFACE INCLINED IN CONFORMITY TO THE CONFIGURATION OF ITS ASSOCIATED FLUTE, RESILIENT MEANS SURROUNDING SAID FLEXIBLE FINGERS OVER SAID PROTUBERANCES MAINTAINING SAID INCLINED INNER SURFACE OF EACH PROTUBERANCE IN SLIDING ENGAGEMENT WITH THE INCLINED OUTER SURFACE OF ITS ASSOCIATED FLUTE, AND AN ANNULUS
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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |