US3074693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
House trailer support
Assignee: Individual
•
Filing: 1959-08-06
•
Granted: 1963-01-22
•
Expires: 1979-08-06
Abstract
No abstract record available.
Inventors
- 👤 David E Shumake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:38
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/08; B66F7/00; B66F7/10; B66F7/12; B66F7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
FOR USE WITH HOUSE TRAILERS AND THE LIKE INCLUDING A MAIN FRAME AND A SUPPORTING WHEEL ASSEMBLY SUPPORTED FROM SAID FRAME, A JACK STRUCTURE COMPRISING MORE THAN TWO JACKS, SAID JACKS SPACED APART FROM EACH OTHER AND POSITIONED TO DEFINE CORNERS OF A POLYGON, BRACING SIDES CONNECTING ADJACENT ONES OF SAID JACKS FORMING SIDES OF SAID POLYGON, EACH OF SAID SIDES INCLUDING A PAIR OF HORIZONTALLY DISPOSED UPPER AND LOWER CROSS-BRACES REMOVABLY SECURED AT OPPOSITE END PORTIONS TO UPPER AND LOWER ENDS OF THE CORRESPONDING JACKS, AND CROSSED DIAGONALLY EXTENDING REINFORCING ELEMENTS SECURED BETWEEN OPPOSITE END PORTIONS OF CORRESPONDING PAIRS OF UPPER AND LOWER CROSS BRACES SPACED FROM THE TERMINAL ENDS OF THE LATTER, THE TERMINAL ENDS OF SAID CROSS BRACES BEING REMOVABLY SECURED TO THE CORRESPONDING END OF THE ADJACENT JACK.
Claim 2
Dependent Claim
132 words
FOR USE WITH HOUSE TRAILERS AND THE LIKE INCLUDING A MAIN FRAME AND A SUPPORTING WHEEL ASSEMBLY SUPPORTED FROM SAID FRAME, A JACK STRUCTURE COMPRISING MORE THAN TWO JACKS, SAID JACKS SPACED APART FROM EACH OTHER AND POSITIONED TO DEFINE CORNERS OF A POLYGON, BRACING SIDES CONNECTING ADJACENT ONES OF SAID JACKS FORMING SIDES OF SAID POLYGON, EACH OF SAID SIDES INCLUDING A PAIR OF HORIZONTALLY DISPOSED UPPER AND LOWER CROSS-BRACES REMOVABLY SECURED AT OPPOSITE END PORTIONS TO UPPER AND LOWER ENDS OF THE CORRESPONDING JACKS, AND CROSSED DIAGONALLY EXTENDING REINFORCING ELEMENTS SECURED BETWEEN OPPOSITE END PORTIONS OF CORRESPONDING PAIRS OF UPPER AND LOWER CROSS BRACES SPACED FROM THE TERMINAL ENDS OF THE LATTER, THE TERMINAL ENDS OF SAID CROSS BRACES BEING REMOVABLY SECURED TO THE CORRESPONDING END OF THE ADJACENT JACK.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |