Patent US3202432A successfully refreshed from Google Patents.
US3202432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically actuated arbor and chuck construction
Assignee: Individual
•
Filing: 1963-03-07
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Granted: 1965-08-24
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Expires: 1983-03-07
Abstract
No abstract record available.
Inventors
- 👤 Gordon N Cameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:28
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/30; B23B31/305; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T279/1021; Y10T279/1024; Y10T279/12; Y10T279/1241; Y10T279/1249; Y10T279/17; Y10T279/17411; Y10T279/17418
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A HOLDER OF THE CLASS DESCRIBED COMPRISING A HOLDER BODY, A DEFLECTABLE SLOTTED SHELL MOUNTED ON SAID BODY; A SLEEVE CONSTRUCTED OF RELATIVELY MORE FLEXIBLE MATERIAL COVERING THE SLOTTED PORTIONS OF SAID SHELL, MEANS DEFINING A SEALED FLUID CHAMBER ON A SIDE OF SAID SLEEVE REMOTE FROM SAID SHELL, SAID MEANS INCLUDING O RING SEALS COMPRESSED AGAINST THE ENDS OF SAID SLEEVE, AND MEANS FOR ESTABLISHING HYDRAULIC PRESSURE IN SAID CHAMBER FOR ACTUATING SAID SLEEVE AND SHELL TO A HOLDING POSITION.
Claim 2
Dependent Claim
81 words
A HOLDER OF THE CLASS DESCRIBED COMPRISING A HOLDER BODY, A DEFLECTABLE SLOTTED SHELL MOUNTED ON SAID BODY; A SLEEVE CONSTRUCTED OF RELATIVELY MORE FLEXIBLE MATERIAL COVERING THE SLOTTED PORTIONS OF SAID SHELL, MEANS DEFINING A SEALED FLUID CHAMBER ON A SIDE OF SAID SLEEVE REMOTE FROM SAID SHELL, SAID MEANS INCLUDING O RING SEALS COMPRESSED AGAINST THE ENDS OF SAID SLEEVE, AND MEANS FOR ESTABLISHING HYDRAULIC PRESSURE IN SAID CHAMBER FOR ACTUATING SAID SLEEVE AND SHELL TO A HOLDING POSITION.
References Cited (Backward Citations)
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Cited
US2711863A
Cited
US2833545A
Cited
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Cited
US2920895A
Cited
US3025072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |