Patent US3272568A successfully refreshed from Google Patents.
US3272568A
Expired / Lapsed
US
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Guiding devices
Assignee: US Philips Corp
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Filing: 1963-07-09
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Granted: 1966-09-13
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Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Koorneef Jacob
- 👤 Duinker Simon
- 👤 Walther George Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:00
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/02; F16F15/03; F16F15/035; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/38; B23Q1/385; F16C; F16C29/00; F16C29/02; F16C29/025; F16C29/12; F16C32/00; F16C32/06; F16C32/0662; F16C32/067; F16C32/0674; F16C2322/00; F16C2322/39
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A SYSTEM FOR GUIDING A PART MOVABLE IN A PATH RELATIVE TO A SUPPORTING PART COMPRISING, A TRANSLATIONALLY MOVABLE BODY OF RELATIVELY LOW MASS HAVING A SUBSTANTIALLY FLAT SURFACE, A GUIDE MEMBER HAVING A SUBSTANTIALLY FLAT SURFACE OPPOSITE THE FLAT SURFACE OF SAID BODY FOR SUPPORTING SAID BODY, HYDROSTATIC PNEUMATIC MEANS HAVING OPENINGS IN AT LEAST ONE OF SAID SURFACES FOR SEPARATING SAID BODY AND SAID GUIDE MEMBER THROUGHOUT SAID PATH, AND MAGNETIC MEANS URGING SAID FLAT SURFACES OF SAID BODY AND SAID GUIDE MEMBER TOWARD EACH OTHER THROUGHOUT SAID PATH FOR MAINTAINING A GIVEN SPACED RELATION THEREBETWEEN, SAID GIVEN SPACED RELATION BEING SUBSTANTIALLY EQUAL TO A SIMILAR SPACE RELATION BY A SIMILAR BODY HAVING A SIGNIFICANTLY GREATER MASS THAN THE SAID BODY OF LOW MASS; SAID MAGNETIC MEANS COMPRISING A COMPOSITE BODY OF SOFT STEEL PORTIONS SEPARATED BY PORTIONS OF FERROMAGNETIC MATERIAL.
Claim 2
Independent Claim
143 words
A SYSTEM FOR GUIDING A PART MOVABLE IN A PATH RELATIVE TO A SUPPORTING PART COMPRISING, A TRANSLATIONALLY MOVABLE BODY OF RELATIVELY LOW MASS HAVING A SUBSTANTIALLY FLAT SURFACE, A GUIDE MEMBER HAVING A SUBSTANTIALLY FLAT SURFACE OPPOSITE THE FLAT SURFACE OF SAID BODY FOR SUPPORTING SAID BODY, HYDROSTATIC PNEUMATIC MEANS HAVING OPENINGS IN AT LEAST ONE OF SAID SURFACES FOR SEPARATING SAID BODY AND SAID GUIDE MEMBER THROUGHOUT SAID PATH, AND MAGNETIC MEANS URGING SAID FLAT SURFACES OF SAID BODY AND SAID GUIDE MEMBER TOWARD EACH OTHER THROUGHOUT SAID PATH FOR MAINTAINING A GIVEN SPACED RELATION THEREBETWEEN, SAID GIVEN SPACED RELATION BEING SUBSTANTIALLY EQUAL TO A SIMILAR SPACE RELATION BY A SIMILAR BODY HAVING A SIGNIFICANTLY GREATER MASS THAN THE SAID BODY OF LOW MASS; SAID MAGNETIC MEANS COMPRISING A COMPOSITE BODY OF SOFT STEEL PORTIONS SEPARATED BY PORTIONS OF FERROMAGNETIC MATERIAL.
References Cited (Backward Citations)
US2942385A
Cited
DE1046637B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |