US3229990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
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Filing: 1963-11-04
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Granted: 1966-01-18
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Expires: 1983-11-04
Abstract
No abstract record available.
Inventors
- 👤 Weiner Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:37
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A COLLAPSIBLE, HAND OPERABLE CART, COMPRISING, IN COMBINATION, A PAIR OF V-SHAPED TUBULAR BRACES, EACH OF SAID BRACES CONSISTING OF A HORIZONTAL MEMBER AND A DOWNWARDLY ANGULARLY EXTENDING TUBULAR MEMBER INTEGRAL THEREWITH, A CROSS BAR, FIRST PIVOT MEANS FOR SECURING SAID BRACES TO SAID CROSS BAR IN ALIGNED SPACED PARALLEL PLANES, SAID BRACES BEING PIVOTABLE ABOUT SAID FIRST PIVOT MEANS INTO OVERLAPPING PLANES SUBSTANTIALLY TRANSVERSE TO SAID PARALLEL PLANES, SAID FIRST PIVOT MEANS COMPRISING A PAIR OF SOCKETS SECURED TRANSVERSELY TO THE ENDS OF SAID CROSS BAR, A PAIR OF TUBE INSERTS SECURED TO THE ENDS OF SAID HORIZONTAL MEMBERS AND PIVOTALLY RECEIVED IN SAID SOCKETS, EACH OF SAID INSERTS BEING PROVIDED WITH SLOTS EXTENDING OVER A CIRCUMFERENTIAL ANGLE OF 90* AND WITH A RECESSED
Claim 2
Dependent Claim
125 words
A COLLAPSIBLE, HAND OPERABLE CART, COMPRISING, IN COMBINATION, A PAIR OF V-SHAPED TUBULAR BRACES, EACH OF SAID BRACES CONSISTING OF A HORIZONTAL MEMBER AND A DOWNWARDLY ANGULARLY EXTENDING TUBULAR MEMBER INTEGRAL THEREWITH, A CROSS BAR, FIRST PIVOT MEANS FOR SECURING SAID BRACES TO SAID CROSS BAR IN ALIGNED SPACED PARALLEL PLANES, SAID BRACES BEING PIVOTABLE ABOUT SAID FIRST PIVOT MEANS INTO OVERLAPPING PLANES SUBSTANTIALLY TRANSVERSE TO SAID PARALLEL PLANES, SAID FIRST PIVOT MEANS COMPRISING A PAIR OF SOCKETS SECURED TRANSVERSELY TO THE ENDS OF SAID CROSS BAR, A PAIR OF TUBE INSERTS SECURED TO THE ENDS OF SAID HORIZONTAL MEMBERS AND PIVOTALLY RECEIVED IN SAID SOCKETS, EACH OF SAID INSERTS BEING PROVIDED WITH SLOTS EXTENDING OVER A CIRCUMFERENTIAL ANGLE OF 90* AND WITH A RECESSED
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |