US3240503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holders for tools or the like
Assignee: INTERTEC LE QUINTIN A CORP OF FRANCE Ste
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Filing: 1964-04-06
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Granted: 1966-03-15
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Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Watson Ian Courtenay
- 👤 Preston Edward George
- 👤 Williamson David Theodo Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:10
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/117; B23B31/1175; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T409/00; Y10T409/30; Y10T409/309352
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN A MACHINE TOOL, A TOOL-HOLDER COMPRISING, IN COMBINATION, A TUBULAR MEMBER DEFINING A SOCKET SHAPED TO RECEIVE A CYLINDRICAL PILOT PORTION OF AN ARTICLE SUCH AS A TOOL, MEANS ADAPTED TO FORM A PRESSURE-TIGHT SEAL BETWEEN EACH END OF THE SOCKET AND ANY SUCH PILOT PORTION INSERTED THEREIN TO FORM AN ANNULAR PRESSURE CHAMBER, AND MEANS FOR INJECTING LIQUID UNDER PRESSURE INTO SAID CHAMBER SO AS TO EXPAND SAID SOCKET TO PERMIT ENTRY INTO SAID SOCKET OF A FURTHER CYLINDRICAL PORTION OF SAID ARTICLE, SAID SOCKET PRIOR TO SUCH EXPANSION HAVING A DIAMETER GREATER THAN THAT OF SAID PILOT PORTION BUT LESS THAN THAT OF SAID FURTHER PORTION.
Claim 2
Dependent Claim
109 words
IN A MACHINE TOOL, A TOOL-HOLDER COMPRISING, IN COMBINATION, A TUBULAR MEMBER DEFINING A SOCKET SHAPED TO RECEIVE A CYLINDRICAL PILOT PORTION OF AN ARTICLE SUCH AS A TOOL, MEANS ADAPTED TO FORM A PRESSURE-TIGHT SEAL BETWEEN EACH END OF THE SOCKET AND ANY SUCH PILOT PORTION INSERTED THEREIN TO FORM AN ANNULAR PRESSURE CHAMBER, AND MEANS FOR INJECTING LIQUID UNDER PRESSURE INTO SAID CHAMBER SO AS TO EXPAND SAID SOCKET TO PERMIT ENTRY INTO SAID SOCKET OF A FURTHER CYLINDRICAL PORTION OF SAID ARTICLE, SAID SOCKET PRIOR TO SUCH EXPANSION HAVING A DIAMETER GREATER THAN THAT OF SAID PILOT PORTION BUT LESS THAN THAT OF SAID FURTHER PORTION.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |