Patent US3558181A successfully refreshed from Google Patents.
US3558181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible tent trailer
Assignee: Harmony Enterprises Inc
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Filing: 1968-06-19
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Granted: 1971-01-26
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Expires: 1988-06-19
Abstract
Abstract A TRAILER HAVING A GENERALLY BOX-LIKE BODY THEREON WITH A PAIR OF WING MEMBERS SLIDEABLY ENGAGED AT THE UPPER EDGES FOR SIMULTANEOUS SLIDING MOVEMENTS HORIZONTALLY OUTWARDLY WITH A ROOF ATTACHED THERETO SO THAT OUTWARD MOVEMENT OF THE WING MEMBERS CAUSES UPWARD MOVEMENT OF THE ROOF INTO A SERVICEABLE POSITION AND INWARD MOVEMENT OF THE WING MEMBERS CAUSES DOWNWARD MOVEMENT OF THE ROOF TO FORM A TOP FOR THE TRAILER.
Inventors
- 👤 Wilbur E Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:33
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |