US3336060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible supporting structures
Assignee: Individual
•
Filing: 1965-12-21
•
Granted: 1967-08-15
•
Expires: 1985-12-21
Abstract
No abstract record available.
Inventors
- 👤 John G Bradford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:45
CPC Classifications
E; E01; E01D; E01D15/00; E01D15/12; E01D15/133; A; A61; A61G; A61G1/00; A61G1/003; A61G1/007; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/32451; Y10T403/32459; Y10T403/59; Y10T403/591; Y10T403/592; Y10T403/599
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A COLLAPSIBLE AND PORTABLE SUPPORTING STRUCTURE COMPRISING A RECTANGULAR TUBULAR FRAME HAVING TWO END FRAME MEMBERS AND TWO SIDE FRAME MEMBERS ENGAGEABLE WITH THE END FRAME MEMBERS, EACH OF SAID END FRAME MEMBERS COMPRISING A TUBULAR CONNECTING MEMBER SUBTENDED AT EACH END BY A HOUSING MEMBER CONNECTED THERETO, EACH OF SAID HOUSING MEMBERS HAVING FIRST AND SECOND TUBES SECURELY CONNECTED THERETO AND EXTENDNG OUTWARDLY FROM OPPOSITE SIDES THEREOF SUBSTANTIALLY PERPENDICULARLY TO SAID TUBULAR CONNECTING MEMBER, SAID FIRST TUBE BEING OF LARGER DIAMETER THAN SAID SECOND TUBE AT THE ENDS THEREOF AWAY FROM SAID HOUSING MEMBER, EACH OF SAID SIDE FRAME MEMBERS COMPRISING AT LEAST TWO TUBULAR SECTIONS, THE END OF ONE TUBULAR SECTION RELEASABLY SOCKETING SECURELY INTO THE
Claim 2
Dependent Claim
118 words
A COLLAPSIBLE AND PORTABLE SUPPORTING STRUCTURE COMPRISING A RECTANGULAR TUBULAR FRAME HAVING TWO END FRAME MEMBERS AND TWO SIDE FRAME MEMBERS ENGAGEABLE WITH THE END FRAME MEMBERS, EACH OF SAID END FRAME MEMBERS COMPRISING A TUBULAR CONNECTING MEMBER SUBTENDED AT EACH END BY A HOUSING MEMBER CONNECTED THERETO, EACH OF SAID HOUSING MEMBERS HAVING FIRST AND SECOND TUBES SECURELY CONNECTED THERETO AND EXTENDNG OUTWARDLY FROM OPPOSITE SIDES THEREOF SUBSTANTIALLY PERPENDICULARLY TO SAID TUBULAR CONNECTING MEMBER, SAID FIRST TUBE BEING OF LARGER DIAMETER THAN SAID SECOND TUBE AT THE ENDS THEREOF AWAY FROM SAID HOUSING MEMBER, EACH OF SAID SIDE FRAME MEMBERS COMPRISING AT LEAST TWO TUBULAR SECTIONS, THE END OF ONE TUBULAR SECTION RELEASABLY SOCKETING SECURELY INTO THE
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |