US3279816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor vehicle chassis frames
Assignee: Austin Motor Co Ltd
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Filing: 1964-05-11
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Granted: 1966-10-18
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Expires: 1984-05-11
Abstract
No abstract record available.
Inventors
- 👤 Alexander A Issigonis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:13
CPC Classifications
B; B62; B62D; B62D21/00; B62D21/18; B62D21/183; B62D21/02; B62D21/04; B62D25/00; B62D25/08; B62D25/14; B62D25/20; B62D25/2009; B62D25/2018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A MOTOR VEHICLE CHASSIS FRAME COMPRISING A FLOOR PANEL STRUCTURE HAVING RIGIDLY SECURED TO IT, AT LEAST AT ONE END ZONE, A TRANSVERSE BULKHEAD, AND, AT THE OTHER END ZONE, A PAIR OF OPPOSITELY DIRECTED OUTRIGGERS; AND A CENTRAL STRESS-BEARING TUNNEL-LIKE MEMBER RIGIDLY SECURED TO THE BULKHEAD AND TO THE OUTRIGGERS, SO AS TO RECEIVE TORSIONAL STRESSES TRANSMITTED THEREFROM; SO AS TO RECEIVE TORBER HAVING A SUBSTANTIALLY LARGE CROSS-SECTIONAL AREA AND HAVING A BOTTOM CLOSURE PANEL OVERLYING THE FLOOR PANEL STRUCTURE TO PROVIDE A BOTTOM CLOSURE OF DOUBLE THICKNESS, THE FLOOR PANEL STRUCTURE BEING UNITED THROUGHOUT ITS LENGTH TO THE TUNNEL-LIKE MEMBER; AND A BULKHEAD PANEL, SECURED TO THE OUTRIGGERS, AND ALSO SECURED TO, AND THUS STABILIZING THE ADJOINING MOUTH OF THE TUNNEL-LIKE MEMBER.
Claim 2
Dependent Claim
124 words
A MOTOR VEHICLE CHASSIS FRAME COMPRISING A FLOOR PANEL STRUCTURE HAVING RIGIDLY SECURED TO IT, AT LEAST AT ONE END ZONE, A TRANSVERSE BULKHEAD, AND, AT THE OTHER END ZONE, A PAIR OF OPPOSITELY DIRECTED OUTRIGGERS; AND A CENTRAL STRESS-BEARING TUNNEL-LIKE MEMBER RIGIDLY SECURED TO THE BULKHEAD AND TO THE OUTRIGGERS, SO AS TO RECEIVE TORSIONAL STRESSES TRANSMITTED THEREFROM; SO AS TO RECEIVE TORBER HAVING A SUBSTANTIALLY LARGE CROSS-SECTIONAL AREA AND HAVING A BOTTOM CLOSURE PANEL OVERLYING THE FLOOR PANEL STRUCTURE TO PROVIDE A BOTTOM CLOSURE OF DOUBLE THICKNESS, THE FLOOR PANEL STRUCTURE BEING UNITED THROUGHOUT ITS LENGTH TO THE TUNNEL-LIKE MEMBER; AND A BULKHEAD PANEL, SECURED TO THE OUTRIGGERS, AND ALSO SECURED TO, AND THUS STABILIZING THE ADJOINING MOUTH OF THE TUNNEL-LIKE MEMBER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |