US3236100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid level gauges
Assignee: RICHARD KLINGER Ltd
•
Filing: 1964-04-17
•
Granted: 1966-02-22
•
Expires: 1984-04-17
Abstract
No abstract record available.
Inventors
- 👤 Benfield Ronald Geoffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:23
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/28; G01F23/284; G01F23/292; G01F23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A LIQUID LEVEL GAUGE HAVING A CENTRE-PIECE PROVIDED WITH A FLUID CHAMBER CONSTRUCTED TO WITHSTAND LATERAL STRESSES DUE TO THE PRESSURE OF THE CONTAINED FLUID, RIGID LIGHT TRANSMITTING MEMBERS COVERING THE SAID FLUID CHAMBER, CLAMPING MEMBERS EXTENDING THE LENGTH OF THE CENTREPIECE FOR SEALING THE LIGHT TRANSMITTING MEMBERS THERETO, A PLURALITY OF BOLTS FOR CLAMPING THE CLAMPING MEMBERS SO AS TO SEAL THE LIGHT TRANSMITTING MEMBERS, SAID CLAMPING ING MEMBER HAVING THEIR FACES IMMEDIATELY UNDER THE BOLTS MACHINED AT AN ANGLE SO THAT THE CLAMPING LOAD WITH IS APPLIED BETWEEN THE LIGHT TRANSMITTING MEMBERS AND THE CENTRE-PIECE IS SUCH THAT EDGE STRESSED IN THE LIGHT TRANSMITTING MEMBERS ARE REDUCED AND THE TENSILE COMPONENT OF STRESSES WITHIN THE LIGHT TRANSMITTING MEMBERS ARE ALSO REDUCED.
Claim 2
Dependent Claim
123 words
A LIQUID LEVEL GAUGE HAVING A CENTRE-PIECE PROVIDED WITH A FLUID CHAMBER CONSTRUCTED TO WITHSTAND LATERAL STRESSES DUE TO THE PRESSURE OF THE CONTAINED FLUID, RIGID LIGHT TRANSMITTING MEMBERS COVERING THE SAID FLUID CHAMBER, CLAMPING MEMBERS EXTENDING THE LENGTH OF THE CENTREPIECE FOR SEALING THE LIGHT TRANSMITTING MEMBERS THERETO, A PLURALITY OF BOLTS FOR CLAMPING THE CLAMPING MEMBERS SO AS TO SEAL THE LIGHT TRANSMITTING MEMBERS, SAID CLAMPING ING MEMBER HAVING THEIR FACES IMMEDIATELY UNDER THE BOLTS MACHINED AT AN ANGLE SO THAT THE CLAMPING LOAD WITH IS APPLIED BETWEEN THE LIGHT TRANSMITTING MEMBERS AND THE CENTRE-PIECE IS SUCH THAT EDGE STRESSED IN THE LIGHT TRANSMITTING MEMBERS ARE REDUCED AND THE TENSILE COMPONENT OF STRESSES WITHIN THE LIGHT TRANSMITTING MEMBERS ARE ALSO REDUCED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |