US3494370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive valve
Assignee: WILLIAM WAHL CORP
•
Filing: 1964-06-22
•
Granted: 1970-02-10
•
Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 William Wahl
- 👤 Lloyd B Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:30
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/0254; F16K13/00; F16K13/04; F16K13/06; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1647
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A NORMALLY CLOSED VALVE COMPRISING A TUBULAR MEMBER ADAPTED FOR CONNECTION AIN A FLUID LINE, SAID TUBLUAR MEMBER HAVING A PERIPHERAL WALL, AN END WALL EXTENDING ACROSS AND CLOSING ONE END OF SAID TUBULAR MEMBER FOR PRECLUDING FLOW OF FLUID THROUGH SAID TUBULAR MEMBER, SAID TUBULAR MEMBER AND END WALL HAVING A PERIPHERAL WEAKENED PORTION FOR CAUSING SAID END WALL TO BE SHERABLE FROM SAID TUBULAR MEMBER UPON THE EXERTION OF A RELATIVELY LOW SHEAR FORCE ON SAID END WALL, THEREBY TO PERMIT FLUID FLOW THROUGH SAID TUBULAR MEMBER, MEANS FOR EXERTINIG SUCH A SHEAR FORCE ON SAID END WALL, AND MEANS OUTWARDLY OF THE CENTRAL PORTION OF SAID END WALL ENGAGING THE EXTERIOR OF SAID END WALL AT THE PORTION THEREOF OPPOSITE SAID PERIPHERAL WALL OF
Claim 2
Dependent Claim
127 words
A NORMALLY CLOSED VALVE COMPRISING A TUBULAR MEMBER ADAPTED FOR CONNECTION AIN A FLUID LINE, SAID TUBLUAR MEMBER HAVING A PERIPHERAL WALL, AN END WALL EXTENDING ACROSS AND CLOSING ONE END OF SAID TUBULAR MEMBER FOR PRECLUDING FLOW OF FLUID THROUGH SAID TUBULAR MEMBER, SAID TUBULAR MEMBER AND END WALL HAVING A PERIPHERAL WEAKENED PORTION FOR CAUSING SAID END WALL TO BE SHERABLE FROM SAID TUBULAR MEMBER UPON THE EXERTION OF A RELATIVELY LOW SHEAR FORCE ON SAID END WALL, THEREBY TO PERMIT FLUID FLOW THROUGH SAID TUBULAR MEMBER, MEANS FOR EXERTINIG SUCH A SHEAR FORCE ON SAID END WALL, AND MEANS OUTWARDLY OF THE CENTRAL PORTION OF SAID END WALL ENGAGING THE EXTERIOR OF SAID END WALL AT THE PORTION THEREOF OPPOSITE SAID PERIPHERAL WALL OF
References Cited (Backward Citations)
US3111133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |