US3140794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel tank cap
Assignee: Walbro Corp
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Filing: 1962-06-22
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Granted: 1964-07-14
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Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 Donald N Arndt
- 👤 Charles H Tuckey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:36
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A GAS CAP COMPRISING: (A) A BODY HAVING A THREADED PORTION TO HAVE A SEALING RELATION WITH A COMPLEMENTARY THREADED PORTION OF A GAS TANK, SAID BODY HAVING AN INTERNAL CHAMBER DIVIDED BY A SEPTUM, SAID CHAMBER HAVING AN OPENING IN THE TOP OUTSIDE WALL FOR ATMOSPHERE AND AN OPENING IN THE BOTTOM INSIDE WALL. (B) MEANS FORMING A U-SHAPED PASSAGE TO CONNECT EACH OF SAID OPENINGS TO RECESSES ON OPPOSITE SIDES OF SAID SEPTUM, AND (C) MEANS FORMING A PASSAGE THROUGH SAID SEPTUM AT THE TOP OF SAID CHAMBER.
Claim 2
Dependent Claim
90 words
A GAS CAP COMPRISING: (A) A BODY HAVING A THREADED PORTION TO HAVE A SEALING RELATION WITH A COMPLEMENTARY THREADED PORTION OF A GAS TANK, SAID BODY HAVING AN INTERNAL CHAMBER DIVIDED BY A SEPTUM, SAID CHAMBER HAVING AN OPENING IN THE TOP OUTSIDE WALL FOR ATMOSPHERE AND AN OPENING IN THE BOTTOM INSIDE WALL. (B) MEANS FORMING A U-SHAPED PASSAGE TO CONNECT EACH OF SAID OPENINGS TO RECESSES ON OPPOSITE SIDES OF SAID SEPTUM, AND (C) MEANS FORMING A PASSAGE THROUGH SAID SEPTUM AT THE TOP OF SAID CHAMBER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |