US3420259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible adjustable sleeve assembly for a plug valve
Assignee: Case LLC
•
Filing: 1966-09-12
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Granted: 1969-01-07
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Expires: 1986-09-12
Abstract
No abstract record available.
Inventors
- 👤 Harvey J Dargitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:36
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/28; Y; Y10; Y10T; Y10T137/00; Y10T137/5109; Y10T137/5196; Y10T137/598; Y10T137/6031; Y10T137/6058
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
AN ADJUSTABLE SLEEVE ASSEMBLY FOR A PLUG VALVE, SAID SLEEVE ASSEMBLY COMPRISING A PLURALITY OF AXIALLY ALIGNED TUBULAR SECTIONS, THE ADJOINING ENDS OF TWO ADJACENT SECTIONS BEING IN TELESCOPING RELATIONSHIP, INTERLOCKING MEANS FOR HOLDING SAID TELESCOPING SECTIONS AGAINST RELATIVE AXIAL MOVEMENT, MEANS ON ONE OF SAID TELESCOPING SECTIONS FOR RECEIVING SAID INTERLOCKING MEANS IN A PLURALITY OF AXIALLY SPACED POSITIONS, ABUTMENT MEANS ON SAID OTHER TELESCOPING SECTION ENGAGEABLE WITH SAID INTERLOCKING MEANS, AND MEANS URGING SAID ABUTMENT MEANS AGAINST SAID INTERLOCKING MEANS WHEREBY THE LENGTH OF SAID SLEEVE ASSEMBLY MAY BE VARIED AND SAID TELESCOPING SECTIONS ARE HELD AGAINST RELATIVE AXIAL MOVEMENT.
Claim 2
Dependent Claim
102 words
AN ADJUSTABLE SLEEVE ASSEMBLY FOR A PLUG VALVE, SAID SLEEVE ASSEMBLY COMPRISING A PLURALITY OF AXIALLY ALIGNED TUBULAR SECTIONS, THE ADJOINING ENDS OF TWO ADJACENT SECTIONS BEING IN TELESCOPING RELATIONSHIP, INTERLOCKING MEANS FOR HOLDING SAID TELESCOPING SECTIONS AGAINST RELATIVE AXIAL MOVEMENT, MEANS ON ONE OF SAID TELESCOPING SECTIONS FOR RECEIVING SAID INTERLOCKING MEANS IN A PLURALITY OF AXIALLY SPACED POSITIONS, ABUTMENT MEANS ON SAID OTHER TELESCOPING SECTION ENGAGEABLE WITH SAID INTERLOCKING MEANS, AND MEANS URGING SAID ABUTMENT MEANS AGAINST SAID INTERLOCKING MEANS WHEREBY THE LENGTH OF SAID SLEEVE ASSEMBLY MAY BE VARIED AND SAID TELESCOPING SECTIONS ARE HELD AGAINST RELATIVE AXIAL MOVEMENT.
References Cited (Backward Citations)
US2256775A
Cited
US3091260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |