US3204922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc-stem connection for valves
Assignee: Crane Co
•
Filing: 1963-02-25
•
Granted: 1965-09-07
•
Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 John A Mcinerney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:09
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/48; F16K1/482; F16K1/485; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN A VALVE CONSTRUCTION HAVING A BONNET PORTION, THE COMBINATION OF A VALVE SEAT AND A RECIPROCALLY MOVABLE SWIVELABLE CLOSURE MEMBER THEREFOR ENGAGEABLE WITH SAID VALVE SEAT, A VALVE STEM IN TELESCOPED RELATION TO A HOLLOW WALLED PORTION OF SAID CLOSURE MEMBER, MEANS FOR CONNECTING SAID STEM TO THE CLOSURE MEMBER, THE SAID STEM HAVING A BUTTOMHEAD DEFINING THE INNER END LIMIT OF SAID TELESCOPED RELATION WITH SAID CLOSURE MEMBER, THE SAID STEM BUTTONHEAD HAVING A NECK PORTION, THE SAID WALLED PORTION OF THE CLOSURE MEMBER BEING TRANSVERSELY APERTURED AT OPPOSITE LOCATIONS DEFINED BY VERTICAL SIDE WALLS AND A PLANE DEFINED BY THE LENGTH OF SAID STEM NECK PORTION, A PAIR OF OPPOSITELY DISPOSED J-FORMED KEY MEMBERS FITTED IN SAID TRANSVERSELY APERTURED WALLED PORTION OF SAID CLOSURE MEMBER CLOSELY SURROUNDING CONTINUOUSLY THE SAID STEM NECK PORTION FOR SUBSTANTIALLY THE FULL LENGTH OF THE LATTER PORTION AND MEANS PROVIDED BY SAID BONNET PORTION TO CONTINUOUSLY RETAIN SAID KEY MEM-
Claim 2
Dependent Claim
158 words
IN A VALVE CONSTRUCTION HAVING A BONNET PORTION, THE COMBINATION OF A VALVE SEAT AND A RECIPROCALLY MOVABLE SWIVELABLE CLOSURE MEMBER THEREFOR ENGAGEABLE WITH SAID VALVE SEAT, A VALVE STEM IN TELESCOPED RELATION TO A HOLLOW WALLED PORTION OF SAID CLOSURE MEMBER, MEANS FOR CONNECTING SAID STEM TO THE CLOSURE MEMBER, THE SAID STEM HAVING A BUTTOMHEAD DEFINING THE INNER END LIMIT OF SAID TELESCOPED RELATION WITH SAID CLOSURE MEMBER, THE SAID STEM BUTTONHEAD HAVING A NECK PORTION, THE SAID WALLED PORTION OF THE CLOSURE MEMBER BEING TRANSVERSELY APERTURED AT OPPOSITE LOCATIONS DEFINED BY VERTICAL SIDE WALLS AND A PLANE DEFINED BY THE LENGTH OF SAID STEM NECK PORTION, A PAIR OF OPPOSITELY DISPOSED J-FORMED KEY MEMBERS FITTED IN SAID TRANSVERSELY APERTURED WALLED PORTION OF SAID CLOSURE MEMBER CLOSELY SURROUNDING CONTINUOUSLY THE SAID STEM NECK PORTION FOR SUBSTANTIALLY THE FULL LENGTH OF THE LATTER PORTION AND MEANS PROVIDED BY SAID BONNET PORTION TO CONTINUOUSLY RETAIN SAID KEY MEM-
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |