US3558157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable trolley
Assignee: Individual
•
Filing: 1969-03-18
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Granted: 1971-01-26
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Expires: 1989-03-18
Abstract
Abstract A FOLDABLE TROLLEY HAVING TWO HINGE MEMBERS WHICH ARE LOCKED IN THEIR OPERATION OR LOAD CARRYING POSITION UPON PART ROTATION OF WHEEL MOUNTING BRACKETS CARRYING WHEELS FOR SUPPORTING THE TROLLEY. THE HINGE MEMBERS ARE SHAPED SO THAT IN THE FOLDED POSITION THEY FORM A SPACE FOR A HANDLE MEMBER.
Inventors
- 👤 Kurt Otto Bernhard Neumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:59
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/10; B62B1/12; B62B2202/00; B62B2202/26; B62B2205/00; B62B2205/12
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 |