US3119639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic bearing
Assignee: Boeing Co
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Filing: 1962-01-09
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Granted: 1964-01-28
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Expires: 1982-01-09
Abstract
No abstract record available.
Inventors
- 👤 Clarence R Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:45
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0629; F16C32/064; F16C32/0644; F16C32/0648
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A HYDROSTATIC BEARING COMPRISING, (A) A FIRST ELEMENT HAVING A FIRST BEARING SURFACE, (B) A SECOND ELEMENT HAVING A SECOND BEARING SURFACE CORRESPONDING TO SAID FIRST BEARING SURFACE, (C) ONE OF SAID BEARING SURFACES HAVING A RECESS THEREIN, (D) MEANS FOR SUPPLYING FLUID TO SAID RECESS POSITIONED IN SAID NON-RECESSED BEARING SURFACE ELEMENT WHEREBY SAID SECOND BEARING SURFACE IS MAINTAINED SPACED FROM SAID FIRST BEARING SURFACE AS THE FLUID ESCAPES FROM BETWEEN SAID SURFACES, AND (E) FREELY FLOATING ANNULAR MEANS HAVING AT LEAST ONE STEPPED SURFACE COOPERATING WITH THE BEARING SURFACES FOR RETARDING THE FLOW OF FLUID FROM SAID RECESS.
Claim 2
Dependent Claim
100 words
A HYDROSTATIC BEARING COMPRISING, (A) A FIRST ELEMENT HAVING A FIRST BEARING SURFACE, (B) A SECOND ELEMENT HAVING A SECOND BEARING SURFACE CORRESPONDING TO SAID FIRST BEARING SURFACE, (C) ONE OF SAID BEARING SURFACES HAVING A RECESS THEREIN, (D) MEANS FOR SUPPLYING FLUID TO SAID RECESS POSITIONED IN SAID NON-RECESSED BEARING SURFACE ELEMENT WHEREBY SAID SECOND BEARING SURFACE IS MAINTAINED SPACED FROM SAID FIRST BEARING SURFACE AS THE FLUID ESCAPES FROM BETWEEN SAID SURFACES, AND (E) FREELY FLOATING ANNULAR MEANS HAVING AT LEAST ONE STEPPED SURFACE COOPERATING WITH THE BEARING SURFACES FOR RETARDING THE FLOW OF FLUID FROM SAID RECESS.
References Cited (Backward Citations)
US2873683A
Cited
US2976087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |