US3556581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding camping trailer
Assignee: Individual
•
Filing: 1969-01-22
•
Granted: 1971-01-19
•
Expires: 1989-01-22
Abstract
Abstract A FOLDING CAMPING TRAILER COMPRISING A PLATFORM-CHASSIS DETACHABLY MOUNTED ON A RUNNING GEAR AND HINGED TO THE FOUR SIDES OF THE PLATFORM-CHASSIS, A FOLDABLE FRONT PANEL, A FOLDABLE BACK PANEL, AND TWO SHELL-TYPE LATERAL PANELS, ONE BEING SLIGHTLY LARGER THAN THE OTHER TO FOLD OVER IT, THE STRUCTURE, AFTER UNFOLDING, FORMING FOUR FULL SIDE WALLS, AN ENLARGED FLOOR SURFACE AND PORTIONS OF THE ROOF OF A CAMPING SHELTER.
Inventors
- 👤 Silva Americo Da
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:08
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/32; B60P3/34
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |