US3155383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision positioning apparatus
Assignee: LINK DIVISION OF GENERAL PREC
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Filing: 1962-10-11
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Granted: 1964-11-03
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Expires: 1982-10-11
Abstract
No abstract record available.
Inventors
- 👤 John H Whitmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:41
CPC Classifications
F; F16; F16M; F16M13/00; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/38; F16M11/00; F16M11/02; F16M11/04; F16M11/06; F16M11/08; F16M11/18; F16M11/20; F16M11/2085; F16M11/2092; G; G01; G01C; G01C11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A PRECISION POSITIONING APPARATUS COMPRISING, (A) FIRST AND SECOND TABLES AND A SUPPORT MEMBER; (B) MEANS POSITIONING SAID FIRST TABLE ON SAID SUPPORT MEMBER AND SAID SECOND TABLE ON SAID FIRST TABLE; (C) FIRST AND SECOND DRIVE MEANS, SAID FIRST DRIVE MEANS EFFECTIVE TO TRANSLATE SAID FIRST TABLE TRANSVERSELY WITH RESPECT TO SAID SUPPORT MEMBER AND SAID SECOND DRIVE MEANS EFFECTIVE TO TRANSLATE SAID SECOND TABLE LONGITUDINALLY WITH RESPECT TO SAID SUPPORT MEMBER; AND (D) MEANS DECREASING FRICTIONAL FORCES WHEN SAID FIRST AND SECOND TABLES ARE DRIVEN BY SAID FIRST AND SECOND DRIVE MEANS; (E) SAID LAST NAMED MEANS INCLUDING A PLURALITY OF FLUID BEARINGS ON THE LOWER SURFACE OF EACH OF SAID FIRST AND SECOND TABLES, A SUPPLY OF PRESSURIZED FLUID, AND RIGID SUPPLY MEANS COUPLING SAID FLUID TO ALL OF SAID PLURALITY OF BEARINGS, WHEREBY SAID FIRST TABLE TENDS TO SEPARATE FROM SAID SUPPORT MEMBER AND SAID SECOND TABLE TENDS TO SEPARATE FROM SAID FIRST TABLE.
Claim 2
Dependent Claim
158 words
A PRECISION POSITIONING APPARATUS COMPRISING, (A) FIRST AND SECOND TABLES AND A SUPPORT MEMBER; (B) MEANS POSITIONING SAID FIRST TABLE ON SAID SUPPORT MEMBER AND SAID SECOND TABLE ON SAID FIRST TABLE; (C) FIRST AND SECOND DRIVE MEANS, SAID FIRST DRIVE MEANS EFFECTIVE TO TRANSLATE SAID FIRST TABLE TRANSVERSELY WITH RESPECT TO SAID SUPPORT MEMBER AND SAID SECOND DRIVE MEANS EFFECTIVE TO TRANSLATE SAID SECOND TABLE LONGITUDINALLY WITH RESPECT TO SAID SUPPORT MEMBER; AND (D) MEANS DECREASING FRICTIONAL FORCES WHEN SAID FIRST AND SECOND TABLES ARE DRIVEN BY SAID FIRST AND SECOND DRIVE MEANS; (E) SAID LAST NAMED MEANS INCLUDING A PLURALITY OF FLUID BEARINGS ON THE LOWER SURFACE OF EACH OF SAID FIRST AND SECOND TABLES, A SUPPLY OF PRESSURIZED FLUID, AND RIGID SUPPLY MEANS COUPLING SAID FLUID TO ALL OF SAID PLURALITY OF BEARINGS, WHEREBY SAID FIRST TABLE TENDS TO SEPARATE FROM SAID SUPPORT MEMBER AND SAID SECOND TABLE TENDS TO SEPARATE FROM SAID FIRST TABLE.
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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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |