US3367359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball valve assembly with corrosion resistant lining
Assignee: Individual
•
Filing: 1966-01-05
•
Granted: 1968-02-06
•
Expires: 1986-01-05
Abstract
No abstract record available.
Inventors
- 👤 Herbert G Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:07
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0657; F16K27/00; F16K27/06; F16K27/067; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A FULLY LINED BALL VALVE ASSEMBLY FOR HANDLING CORROSIVE FLUIDS UNDER PRESSURE, COMPRISING IN COMBINATION, A BALL CASING HAVING FLUID PASSAGES AND A COMPLETE INNER LINING OF CORROSION RESISTANT MATERIAL, A VALVE BALL HAVING A COMPLETE LINING ON ITS OUTER SURFACE AND FLUID PASSAGE OF CORROSION RESISTANT MATERIAL, MEANS IN SAID CASING AND WITHIN ITS LINING FORMING AN ANNULAR RECESS AROUND THE FLUID PASSAGES AT THE ENDS OF THE FLUID PASSAGE OF THE
Claim 2
Dependent Claim
73 words
A FULLY LINED BALL VALVE ASSEMBLY FOR HANDLING CORROSIVE FLUIDS UNDER PRESSURE, COMPRISING IN COMBINATION, A BALL CASING HAVING FLUID PASSAGES AND A COMPLETE INNER LINING OF CORROSION RESISTANT MATERIAL, A VALVE BALL HAVING A COMPLETE LINING ON ITS OUTER SURFACE AND FLUID PASSAGE OF CORROSION RESISTANT MATERIAL, MEANS IN SAID CASING AND WITHIN ITS LINING FORMING AN ANNULAR RECESS AROUND THE FLUID PASSAGES AT THE ENDS OF THE FLUID PASSAGE OF THE
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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |