Patent US3080995A successfully refreshed from Google Patents.
US3080995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel tank filler adapter cap
Assignee: Curtiss Wright Corp
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Filing: 1961-07-12
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Granted: 1963-03-12
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Expires: 1981-07-12
Abstract
No abstract record available.
Inventors
- 👤 Michael M Palm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:00
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A SELF-LOCKING CLOSURE DEVICE FOR A TANK FILLER TUBE OR THE LIKE HAVING AN AXIAL OVERHANGING SHOULDER AROUND AND NEAR ITS MARGINAL END OR RIM PORTION FACING THE TANK, THE CLOSURE DEVICE COMPRISING A GENERALLY CIRCULAR CAP UNIT HAVING INNER AND OUTER COAXIAL SLEEVE PORTIONS RIGID WITH EACH OTHER, THE INNER SLEEVE PORTION HAVING DIAMETRICALLY OPPOSITE ELONGATED CIRCUMFERENTIALLY EXTENDING SLOTS, A NORMALLY NON-CIRCULAR RESILIENT LOCKING RING HAVING RELATIVELY OPPOSED DISTAL PORTIONS DIAMETRICALLY OF THE CAP UNIT AND LYING BETWEEN SAID INNER AND OUTER SLEEVE PORTIONS AND HAVING RELATIVELY OPPOSED PROXIMAL LOCKING PORTIONS PRE-STRESSED TO EXTEND THROUGH RESPECTIVE SLOTS AS GUIDED THEREBY INTO THE INTERIOR OF THE INNER SLEEVE PORTION FOR CAP-UNIT-RETAINING ENGAGEMENT WITH SUCH AXIAL SHOULDER, AND MEANS ACCESSIBLE FOR OPERATION FROM A REGION EXTERNALLY OF THE CAP UNIT AND CONNECTED TO AT LEAST ONE OF THE DISTAL PORTIONS OF THE RING TO ENABLE FLEXING OF IT INTO FILLER-TUBE-RELEASING FORM.
Claim 2
Dependent Claim
150 words
A SELF-LOCKING CLOSURE DEVICE FOR A TANK FILLER TUBE OR THE LIKE HAVING AN AXIAL OVERHANGING SHOULDER AROUND AND NEAR ITS MARGINAL END OR RIM PORTION FACING THE TANK, THE CLOSURE DEVICE COMPRISING A GENERALLY CIRCULAR CAP UNIT HAVING INNER AND OUTER COAXIAL SLEEVE PORTIONS RIGID WITH EACH OTHER, THE INNER SLEEVE PORTION HAVING DIAMETRICALLY OPPOSITE ELONGATED CIRCUMFERENTIALLY EXTENDING SLOTS, A NORMALLY NON-CIRCULAR RESILIENT LOCKING RING HAVING RELATIVELY OPPOSED DISTAL PORTIONS DIAMETRICALLY OF THE CAP UNIT AND LYING BETWEEN SAID INNER AND OUTER SLEEVE PORTIONS AND HAVING RELATIVELY OPPOSED PROXIMAL LOCKING PORTIONS PRE-STRESSED TO EXTEND THROUGH RESPECTIVE SLOTS AS GUIDED THEREBY INTO THE INTERIOR OF THE INNER SLEEVE PORTION FOR CAP-UNIT-RETAINING ENGAGEMENT WITH SUCH AXIAL SHOULDER, AND MEANS ACCESSIBLE FOR OPERATION FROM A REGION EXTERNALLY OF THE CAP UNIT AND CONNECTED TO AT LEAST ONE OF THE DISTAL PORTIONS OF THE RING TO ENABLE FLEXING OF IT INTO FILLER-TUBE-RELEASING FORM.
References Cited (Backward Citations)
DE387688C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |