Patent US3143196A successfully refreshed from Google Patents.
US3143196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driver's hatch
Assignee: Individual
•
Filing: 1961-12-19
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Granted: 1964-08-04
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Expires: 1981-12-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Gutowski
- 👤 Chester A Piotrowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:35
CPC Classifications
F; F41; F41H; F41H5/00; F41H5/22; F41H5/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A VEHICLE BODY HAVING A VERTICALLY SWINGING HATCH DOOR, A TORSION BAR FIXED AT ONE END TO SAID BODY, A TORSION BAR CASING ENCOMPASSING SAID TORSION BAR AND FIXED TO THE END OF SAID TORSION BAR OPPOSITE THAT END WHICH IS FIXED TO SAID BODY, A HINGE ARM FIXED AT ONE END TO SAID HATCH DOOR, SAID CASING PASSING THROUGH SAID HINGE ARM AT ITS OPPOSITE END, AND MEANS PROVIDED TO COOPERATE WITH SAID HINGE ARM AND SAID CASING SO AS TO MAINTAIN SAID TORSION BAR IN A TORSIONALLY DEFLECTED CON-
Claim 2
Dependent Claim
92 words
IN A VEHICLE BODY HAVING A VERTICALLY SWINGING HATCH DOOR, A TORSION BAR FIXED AT ONE END TO SAID BODY, A TORSION BAR CASING ENCOMPASSING SAID TORSION BAR AND FIXED TO THE END OF SAID TORSION BAR OPPOSITE THAT END WHICH IS FIXED TO SAID BODY, A HINGE ARM FIXED AT ONE END TO SAID HATCH DOOR, SAID CASING PASSING THROUGH SAID HINGE ARM AT ITS OPPOSITE END, AND MEANS PROVIDED TO COOPERATE WITH SAID HINGE ARM AND SAID CASING SO AS TO MAINTAIN SAID TORSION BAR IN A TORSIONALLY DEFLECTED CON-
References Cited (Backward Citations)
US2002894A
Cited
US2904853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |