US3469865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint structure for use in large casings or the like
Assignee: Westinghouse Electric Corp
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Filing: 1964-02-24
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Granted: 1969-09-30
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Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 George W Ellenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:02
CPC Classifications
G; G21; G21C; G21C13/00; G21C13/08; G21C13/087; F; F16; F16B; F16B2200/00; F16B2200/30; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S277/00; Y10S277/91; Y10T; Y10T403/00; Y10T403/55; Y10T403/553; Y10T403/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
AN ANNULAR JOINT STRUCTURE FOR AN ELONGATED SEGMENTED TUBULAR CASING, SAID JOINT STRUCTURE COMPRISING JUXTAPOSED JOINT STRUCTURE PORTIONS FORMED ON THE CONFRONTING EDGE PORTIONS OF AN ADJACENT PAIR OF ANNULAR SEGMENTS COMPRISING SAID CASING, SAID JUXTAPOSED JOINT STRUCTURE PORTIONS EACH INCLUDING A PAIR OF OPENINGS IN SAID EDGE PORTIONS, SAID OPENINGS FACING EACH OTHER AND BEING DEFINED BY A PLURALITY OF SPACED PROJECTIONS, THE PROJECTIONS IN ONE JOINT PORTION BEING DISPOSED IN PEAK-TO-PEAK RELATIONSHIP WITH THE PROJECTIONS RESPECTIVELY OF THE OTHER OF SAID JOINT STRUCTURE PORTIONS, A KEY MEMBER INSERTED INTO EACH OF THE OPENINGS DEFINED BY SAID PROJECTIONS, MEANS FOR SECURING EACH OF SAID KEY MEMBERS TO EACH OF THE ADJACENT PROJECTIONS TO PREVENT SEPARATION OF THE PROJECTIONS OF ONE JOINT STRUCTURE PORTION FROM THE PROJECTIONS OF THE OTHER JOINT STRUCTURE PORTION, AND AT LEAST ONE BACKUP RING OVERLYING SAID JOINT STRUCTURE PORTIONS AND SAID KEY MEMBERS.
Claim 2
Dependent Claim
148 words
AN ANNULAR JOINT STRUCTURE FOR AN ELONGATED SEGMENTED TUBULAR CASING, SAID JOINT STRUCTURE COMPRISING JUXTAPOSED JOINT STRUCTURE PORTIONS FORMED ON THE CONFRONTING EDGE PORTIONS OF AN ADJACENT PAIR OF ANNULAR SEGMENTS COMPRISING SAID CASING, SAID JUXTAPOSED JOINT STRUCTURE PORTIONS EACH INCLUDING A PAIR OF OPENINGS IN SAID EDGE PORTIONS, SAID OPENINGS FACING EACH OTHER AND BEING DEFINED BY A PLURALITY OF SPACED PROJECTIONS, THE PROJECTIONS IN ONE JOINT PORTION BEING DISPOSED IN PEAK-TO-PEAK RELATIONSHIP WITH THE PROJECTIONS RESPECTIVELY OF THE OTHER OF SAID JOINT STRUCTURE PORTIONS, A KEY MEMBER INSERTED INTO EACH OF THE OPENINGS DEFINED BY SAID PROJECTIONS, MEANS FOR SECURING EACH OF SAID KEY MEMBERS TO EACH OF THE ADJACENT PROJECTIONS TO PREVENT SEPARATION OF THE PROJECTIONS OF ONE JOINT STRUCTURE PORTION FROM THE PROJECTIONS OF THE OTHER JOINT STRUCTURE PORTION, AND AT LEAST ONE BACKUP RING OVERLYING SAID JOINT STRUCTURE PORTIONS AND SAID KEY MEMBERS.
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) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |