US3701561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer construction
Assignee: ACRYLON PLASTICS MB (1983) Inc
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Filing: 1970-05-28
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Granted: 1972-10-31
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Expires: 1990-05-28
Abstract
Abstract A TRAILER INCLUDING A BOX AND A ROOF, THE TRAILER ADAPTED TO BE TOWED BEHIND A VEHICLE IN A CLOSED CONDITION WITH THE ROOF ADJACENT THE BOX. THE ROOF IS ADAPTED TO BE RAISED BY A CROSSED FOUR-BAR MECHANISM, THE ROOF FORMING ONE OF THE BARS AND AN OPPOSITE BAR BEING EFFECTIVELY OF VARIABLE LENGTH, VARIATION IN LENGTH ACCOMPLISHED BY CABLE ACTUATED SLIDE MECHANISM AT BASES OF ROOF SUPPORTING CORNER POSTS, UNDERISABLE ROOF TILT PREVENTED BY LENGTHS OF CABLE OR LINKS SECURED TO THE CORNER POSTS AND THE BOX, OR BY CANVAS ACTING AS GUYLINES.
Inventors
- 👤 Peter Friesen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:42
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/32; B60P3/34; B60P3/341
Claims Analysis
Total Claims: 0
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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) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |