US3141378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Control Data Corp
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Filing: 1962-01-15
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Granted: 1964-07-21
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Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Rabinow Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:34
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/001; B23Q11/0017; B23Q11/0032; B23Q11/10; B23Q11/1007; B23Q11/14; Y; Y10; Y10S; Y10S82/00; Y10S82/90; Y10T; Y10T407/00; Y10T407/14; Y10T408/00; Y10T408/44; Y10T408/76; Y10T408/91; Y10T408/92; Y10T408/93; Y10T408/935; Y10T409/00; Y10T409/30; Y10T409/303976; Y10T409/304312; Y10T409/309576; Y10T409/309744
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
IN A MACHINE TOOL OF THE TYPE HAVING AN ELONGATE ARM PROVIDED WITH A TOOL HOLDER FOR A TOOL TO WORK ON A WORKPIECE; A VESSEL CONTAINING LIQUID, SAID MACHINE TOOL ARM LOCATED IN SAID LIQUID, AND SAID ARM HAVING WALLS DEFINING A LIQUID-TIGHT CAVITY LENGTHWISE OF THE ARM BY WHICH THE ARM IS HYDROSTATICALLY SUPPORTED ALONG ITS LENGTH FOR FLOTATION IN THE LIQUID TO PREVENT SAG OF THE ARM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |