US3341172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid machine casing sealing structure
Assignee: Westinghouse Electric Corp
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Filing: 1965-06-24
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Granted: 1967-09-12
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Expires: 1985-06-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Rahaim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:12
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/24; F01D25/246; F01D11/00; F01D11/005; F16; F16J; F16J15/00; F16J15/44; F16J15/441; F16J15/442
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A TUBULAR CASING STRUCTURE DIVIDED IN AN AXIAL PLANE INTO AN UPPER CASING HALF PORTION AND A LOWER CASING HALF PORTION, SAID CASING PORTIONS HAVING PLANAR SURFACES MATING WITH EACH OTHER ALONG SAID AXIAL PLANE, RING STRUCTURE DISPOSED IN SAID CASING STRUCTURE AND DIVIDED INTO AT LEAST TWO ARCUATE PORTIONS OF LESS THAN 180 DEGREE AND DISPOSED IN PERIPHERALLY SPACED RELATION WITH EACH OTHER, AND MEANS INTERPOSED IN AT LEAST ONE SPACE BETWEEN SAID ARCUATE RING PORTIONS FOR PROVIDING A SEAL RESTRICTING FLOW OF PRESSURIZED FLUID THEREPAST, SAID MEANS INCLUDING A BLOCK HAVING A PLANAR FACE DISPOSED IN SAID AXIAL PLANE AND A RESILIENT SEAL STRIP INTERPOSED BETWEEN SAID BLOCK AND ONE OF SAID ARCUATE RING PORTIONS.
Claim 2
Dependent Claim
117 words
A TUBULAR CASING STRUCTURE DIVIDED IN AN AXIAL PLANE INTO AN UPPER CASING HALF PORTION AND A LOWER CASING HALF PORTION, SAID CASING PORTIONS HAVING PLANAR SURFACES MATING WITH EACH OTHER ALONG SAID AXIAL PLANE, RING STRUCTURE DISPOSED IN SAID CASING STRUCTURE AND DIVIDED INTO AT LEAST TWO ARCUATE PORTIONS OF LESS THAN 180 DEGREE AND DISPOSED IN PERIPHERALLY SPACED RELATION WITH EACH OTHER, AND MEANS INTERPOSED IN AT LEAST ONE SPACE BETWEEN SAID ARCUATE RING PORTIONS FOR PROVIDING A SEAL RESTRICTING FLOW OF PRESSURIZED FLUID THEREPAST, SAID MEANS INCLUDING A BLOCK HAVING A PLANAR FACE DISPOSED IN SAID AXIAL PLANE AND A RESILIENT SEAL STRIP INTERPOSED BETWEEN SAID BLOCK AND ONE OF SAID ARCUATE RING PORTIONS.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |