US3159301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating diaphragm for pressure tanks
Assignee: Individual
•
Filing: 1962-09-07
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Granted: 1964-12-01
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Expires: 1982-09-07
Abstract
No abstract record available.
Inventors
- 👤 Noel M Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:43
CPC Classifications
F; F16; F16J; F16J3/00; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3151; F15B2201/40; F15B2201/41; F15B2201/413; F15B2201/415
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
A FLOATING DIAPHRAGM FOR A FLUID DISTRIBUTION PRESSURE TANK COMPRISING: A FLAT FLEXIBLE HOLLOW DIAPHRAGM, MEANS DEFINING AN ENDLESS ANNULAR AIR AND FLUID TIGHT CHAMBER WITHIN SAID DIAPHRAGM, A FLOAT RING WITHIN SAID CHAMBER COMPRISING TWO LIKE FLEXIBLE HOLLOW TUBULAR MEMBERS, EACH TUBULAR MEMBER BEING SEMICIRCULAR IN SHAPE AND DISPOSED RELATIVE TO THE OTHER TUBULAR MEMBER SO AS TO BE COMPLEMENTARY IN FORMING A COMPLETE RING, RESPECTIVE ENDS OF ONE TUBULAR MEMBER BEING SPACED IN RELATIVELY CLOSE AXIAL ALIGMENT TO RESPECTIVE ENDS OF OTHER TUBULAR MEMBER, AND RESPECTIVE RESILIENT HINGE MEANS FOLDABLE UP TO ONE HUNDRED AND EIGHTY DEGREES AND CONNECTED DIRECTLY TO RESPECTIVE OPPOSED ENDS OF SAID TUBULAR MEMBERS SO AS TO SERVE AS A CLOSURE FOR SAID ENDS AND ALSO AS MEANS FOR NORMALLY MAINTAINING SAID TUBULAR MEMBERS IN A FLAT PLANAR POSITION.
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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |