US3135391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rack for containers
Assignee: Individual
•
Filing: 1962-05-25
•
Granted: 1964-06-02
•
Expires: 1982-05-25
Abstract
No abstract record available.
Inventors
- 👤 Marvin F Umstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:18
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/18; B62B1/22; B62B1/26; B62B1/264; B65; B65D; B65D7/00; B65D7/12; B65D7/14; B65D7/20; B62B2202/00; B62B2202/20; Y; Y10; Y10S; Y10S248/00; Y10S248/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
243 words
A COLLAPSIBLE CART HAVING LATERALLY SPACED SUBSTANTIALLY PARALLEL DUAL HORIZONTAL SIDES, EACH COMPRISING TWO VERTICALLY SPACED LONGITUDINALLY EXTENDING SUBSTANTIALLY PARALLEL UPPER AND LOWER ARMS CONNECTED TOGETHER AT THEIR REAR ENDS BY AN OPEN RETURN BENT PORTION, VERTICAL PLATES SECURED AT LONGITUDINALLY SPACED POINTS TO SAID UPPER AND LOWER ARMS AND HAVING HORIZONTAL OPENINGS THEREIN, FRONT AND REAR PAIRS OF LATERALLY SPACED SUBSTANTIALLY PARALLEL DUAL SUPPORTING LEGS BETWEEN AND EXTENDING DOWNWARDLY FROM SAID DUAL HORIZONTAL SIDES, EACH LEG COMPRISING TWO SUBSTANTIALLY PARALLEL ARMS CONNECTED TOGETHER AT THEIR LOWER ENDS BY AN OPEN RETURN BENT PORTION AND HAVING LATERALLY EXTENDING PROJECTIONS AT THEIR UPPER ENDS EXTENDING OUTWARDLY THROUGH THE OPENINGS IN SAID VERTICAL PLATES, HORIZONTALLY EXTENDING U-SHAPED CROSSBARS LOCATED SUBSTANTIALLY MIDWAY THE UPPER AND LOWER ENDS OF SAID FRONT AND REAR SUPPORTING LEGS AND MAINTAINING SAID LATERALLY EXTENDING PROJECTIONS UNDER TENSION IN THE OPENINGS IN SAID VERTICAL PLATES, THE U-SHAPED FRONT CROSSBAR OPENING FORWARDLY WITH OPPOSITE SUBSTANTIALLY PARALLEL ARMS OF THE U THEREOF EXTENDING TRANSVERSELY OF AND RIGIDLY SE CURED TO THE DUAL ARMS OF THE FRONT SUPPORTING LEGS, THE U-SHAPED REAR CROSSBAR OPENING REAWARDLY WITH OPPOSITE SUBSTANTIALLY PARALLEL ARMS OF THE U THEREOF EXTENDING TRANSVERSELY OF AND RIGIDLY SECURED TO THE DUAL ARMS OF THE REAR SUPPORTING LEGS, AND LONGITUDINALLY SPACED HORIZONTAL RINGS EXTENDING BETWEEN AND SECURED AT DIAMETRICALLY OPPOSITE POINTS TO THE UPPER ARMS OF SAID DUAL HORIZONTAL SIDES, SAID RINGS BEING CENTERED ABOVE SAID CROSSBARS FOR HOLDING CONTAINERS SUPPORTED ON SAID CROSSBARS.
Claim 2
Dependent Claim
243 words
A COLLAPSIBLE CART HAVING LATERALLY SPACED SUBSTANTIALLY PARALLEL DUAL HORIZONTAL SIDES, EACH COMPRISING TWO VERTICALLY SPACED LONGITUDINALLY EXTENDING SUBSTANTIALLY PARALLEL UPPER AND LOWER ARMS CONNECTED TOGETHER AT THEIR REAR ENDS BY AN OPEN RETURN BENT PORTION, VERTICAL PLATES SECURED AT LONGITUDINALLY SPACED POINTS TO SAID UPPER AND LOWER ARMS AND HAVING HORIZONTAL OPENINGS THEREIN, FRONT AND REAR PAIRS OF LATERALLY SPACED SUBSTANTIALLY PARALLEL DUAL SUPPORTING LEGS BETWEEN AND EXTENDING DOWNWARDLY FROM SAID DUAL HORIZONTAL SIDES, EACH LEG COMPRISING TWO SUBSTANTIALLY PARALLEL ARMS CONNECTED TOGETHER AT THEIR LOWER ENDS BY AN OPEN RETURN BENT PORTION AND HAVING LATERALLY EXTENDING PROJECTIONS AT THEIR UPPER ENDS EXTENDING OUTWARDLY THROUGH THE OPENINGS IN SAID VERTICAL PLATES, HORIZONTALLY EXTENDING U-SHAPED CROSSBARS LOCATED SUBSTANTIALLY MIDWAY THE UPPER AND LOWER ENDS OF SAID FRONT AND REAR SUPPORTING LEGS AND MAINTAINING SAID LATERALLY EXTENDING PROJECTIONS UNDER TENSION IN THE OPENINGS IN SAID VERTICAL PLATES, THE U-SHAPED FRONT CROSSBAR OPENING FORWARDLY WITH OPPOSITE SUBSTANTIALLY PARALLEL ARMS OF THE U THEREOF EXTENDING TRANSVERSELY OF AND RIGIDLY SE CURED TO THE DUAL ARMS OF THE FRONT SUPPORTING LEGS, THE U-SHAPED REAR CROSSBAR OPENING REAWARDLY WITH OPPOSITE SUBSTANTIALLY PARALLEL ARMS OF THE U THEREOF EXTENDING TRANSVERSELY OF AND RIGIDLY SECURED TO THE DUAL ARMS OF THE REAR SUPPORTING LEGS, AND LONGITUDINALLY SPACED HORIZONTAL RINGS EXTENDING BETWEEN AND SECURED AT DIAMETRICALLY OPPOSITE POINTS TO THE UPPER ARMS OF SAID DUAL HORIZONTAL SIDES, SAID RINGS BEING CENTERED ABOVE SAID CROSSBARS FOR HOLDING CONTAINERS SUPPORTED ON SAID CROSSBARS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |