US3266854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine system
Assignee: Sheffield Corp
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Filing: 1963-11-29
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Granted: 1966-08-16
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Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Aller Willis Fay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:27
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0629; F16C32/064; F16C32/0644; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/38; B23Q1/385; B24; B24B; B24B41/00; F16C32/0651; F16C32/0659; F16C2322/00; F16C2322/39
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A FLUID BEARING SUPPORT COMPRISING, A SUPPORTING MEMBER, A SUPPORTED MEMBER, SAID MEMBERS HAVING COOPERATING OPPOSED BEARING SURFACES THEREON, FIRST FLUID PASSAGE MEANS IN ONE OF SAID MEMBERS FOR SUPPLYING FLUID UNDER PRESSURE BETWEEN SAID OPPOSED SURFACES TO EACH OF A PLURALITY OF INDEPENDENT FLUID BEARING ZONE THEREBETWEEN FOR MAINTAINING SAID MEMBERS IN SPACED RELATION FROM EACH OTHER AND RELATIVELY MOVABLE IN A FRICTIONLESS MANNER WITH RESPECT TO EACH OTHER, EACH OF SAID BEARING ZONES HAVING FLUID EXHAUST MEANS TO ATMOSPHERE INDEPENDENT OF EACH OF THE OTHER BEARING ZONES DEFINING THE BOUNDARY OF SAID BEARING ZONE SUCH THAT FLUID FLOW FROM SAID FIRST FLUID PASSAGE MEANS TO EACH ZONE EXERTS PRESSURE BETWEEN SAID OPPOSED SURFACES ONLY WITHIN THAT RESPECTIVE ZONE, SECOND FLUID PASSAGE MEANS INCLUDING AT LEAST ONE INDEPENDENT SENSING ORIFICE WITHIN EACH ZONE IN SAID ONE MEMBER COOPERATING BETWEEN SAID MEMBERS TO PROVIDE A SIGNAL RESPONSIVE TO SAID SPACED RELATION,
Claim 2
Dependent Claim
151 words
A FLUID BEARING SUPPORT COMPRISING, A SUPPORTING MEMBER, A SUPPORTED MEMBER, SAID MEMBERS HAVING COOPERATING OPPOSED BEARING SURFACES THEREON, FIRST FLUID PASSAGE MEANS IN ONE OF SAID MEMBERS FOR SUPPLYING FLUID UNDER PRESSURE BETWEEN SAID OPPOSED SURFACES TO EACH OF A PLURALITY OF INDEPENDENT FLUID BEARING ZONE THEREBETWEEN FOR MAINTAINING SAID MEMBERS IN SPACED RELATION FROM EACH OTHER AND RELATIVELY MOVABLE IN A FRICTIONLESS MANNER WITH RESPECT TO EACH OTHER, EACH OF SAID BEARING ZONES HAVING FLUID EXHAUST MEANS TO ATMOSPHERE INDEPENDENT OF EACH OF THE OTHER BEARING ZONES DEFINING THE BOUNDARY OF SAID BEARING ZONE SUCH THAT FLUID FLOW FROM SAID FIRST FLUID PASSAGE MEANS TO EACH ZONE EXERTS PRESSURE BETWEEN SAID OPPOSED SURFACES ONLY WITHIN THAT RESPECTIVE ZONE, SECOND FLUID PASSAGE MEANS INCLUDING AT LEAST ONE INDEPENDENT SENSING ORIFICE WITHIN EACH ZONE IN SAID ONE MEMBER COOPERATING BETWEEN SAID MEMBERS TO PROVIDE A SIGNAL RESPONSIVE TO SAID SPACED RELATION,
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |