Patent US3253256A successfully refreshed from Google Patents.
US3253256A
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US
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Emergency fuel system warning device
Assignee: Individual
•
Filing: 1963-10-10
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Granted: 1966-05-24
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Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 Robert E Hull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:53
CPC Classifications
B; B60; B60R; B60R16/00; B60R16/02; B60R16/023; B60R16/0231; B60R16/0232; H; H01; H01H; H01H35/00; H01H35/24; H01H35/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A FUEL LEVEL WARNING DEVICE, COMPRISING, AN OVERSIZED CARBURETOR BOWL FOR AN INTERNAL COMBUSTION ENGINE, SAID BOWL MOUNTED WITHIN A CARBURETOR OF SAID ENGINE, A FUEL RESERVOIR CONNECTED TO SAID BOWL, A FUEL PUMP CONNECTED BETWEEN SAID CARBURETOR BOWL AND SAID FUEL RESERVOIR, A FUEL PRESSURE SWITCH CONNECTED BETWEEN SAID FUEL PUMP AND SAID CARBURETOR BOWL, SAID SWITCH HAVING A DIAPHRAGM, A PLUNGER CONNECTED TO SAID DIAPHRAGM RESPONSIVE TO THE MOVEMENT OF SAID DIAPHRAGM, SAID
Claim 2
Dependent Claim
75 words
A FUEL LEVEL WARNING DEVICE, COMPRISING, AN OVERSIZED CARBURETOR BOWL FOR AN INTERNAL COMBUSTION ENGINE, SAID BOWL MOUNTED WITHIN A CARBURETOR OF SAID ENGINE, A FUEL RESERVOIR CONNECTED TO SAID BOWL, A FUEL PUMP CONNECTED BETWEEN SAID CARBURETOR BOWL AND SAID FUEL RESERVOIR, A FUEL PRESSURE SWITCH CONNECTED BETWEEN SAID FUEL PUMP AND SAID CARBURETOR BOWL, SAID SWITCH HAVING A DIAPHRAGM, A PLUNGER CONNECTED TO SAID DIAPHRAGM RESPONSIVE TO THE MOVEMENT OF SAID DIAPHRAGM, SAID
References Cited (Backward Citations)
US1812012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |