US3349945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float for hydropneumatic tank
Assignee: Baker Manufacturing Co LLC
•
Filing: 1966-02-07
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Granted: 1967-10-31
•
Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Baker John Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:37
CPC Classifications
E; E03; E03B; E03B11/00; E03B11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A FLOAT FOR SEPARATING GAS FROM LIQUID IN AN ACCUMULATOR VESSEL HAVING A SUBSTANTIALLY VERTICAL CYLINDRICAL WALL, COMPRISING: (A) A SUBSTANTIALLY FLAT CIRCULAR DISK OF BUOYANT MATERIAL FOR FLOATING ON THE LIQUID IN SAID ACCUMULATOR VESSEL, (B) SAID DISK HAVING A PLURALITY OF RADIALLY EXTENDING GROOVES WITH TANGENTIALLY SLOPING SURFACES IN ITS TOP SURFACE AND IN ITS BOTTOM SURFACE, (C) SAID GROOVES EXTENDING DEEPER INTO SAID DISK AT THEIR OUTER ENDS THAN AT THEIR INNER ENDS TO FACILITATE THE RUN-OFF OF LIQUID FROM SAID TOP SURFACE AND ESCAPE OF GAS FROM UNDER SAID BOTTOM SURFACE.
Claim 2
Dependent Claim
95 words
A FLOAT FOR SEPARATING GAS FROM LIQUID IN AN ACCUMULATOR VESSEL HAVING A SUBSTANTIALLY VERTICAL CYLINDRICAL WALL, COMPRISING: (A) A SUBSTANTIALLY FLAT CIRCULAR DISK OF BUOYANT MATERIAL FOR FLOATING ON THE LIQUID IN SAID ACCUMULATOR VESSEL, (B) SAID DISK HAVING A PLURALITY OF RADIALLY EXTENDING GROOVES WITH TANGENTIALLY SLOPING SURFACES IN ITS TOP SURFACE AND IN ITS BOTTOM SURFACE, (C) SAID GROOVES EXTENDING DEEPER INTO SAID DISK AT THEIR OUTER ENDS THAN AT THEIR INNER ENDS TO FACILITATE THE RUN-OFF OF LIQUID FROM SAID TOP SURFACE AND ESCAPE OF GAS FROM UNDER SAID BOTTOM SURFACE.
References Cited (Backward Citations)
US2886204A
Cited
US3256977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |