Patent US3150741A successfully refreshed from Google Patents.
US3150741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding scaffold
Assignee: Individual
•
Filing: 1963-07-30
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Granted: 1964-09-29
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Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 Salcrno Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:36
CPC Classifications
E; E04; E04G; E04G1/00; E04G1/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A FOLDING SCAFFOLD COMPRISING A PAIR OF OPPOSED END FRAME MEMBERS, SAID END FRAME MEMBERS EACH HAVING A PAIR OF FREELY EXTENDING PARALLEL SUPPORT MEMBERS, A POST MEMBER TELESCOPICALLY CONNECTED WITH EACH ONE OF SAID SUPPORT MEMBERS, AT LEAST ONE PAIR OF SAID POST MEMBERS HAVING A CROSS MEMBER CONNECTING ONE END THEREOF DEFINING AN INVERTED U-SHAPE STRUCTURE, SIDE MEMBERS INTERCONNECTING SAID END FRAMES AND SAID POST MEMBERS FOR MOVING SAID END FRAMES AND ASSOCIATED PARTS IN PARALLEL RELATION TOGETHER AND APART UPON MOVEMENT OF ONE OF SAID POST MEMBERS IN A VERTICAL PLANE, AND A PLATFORM MEMBER PIVOTALLY CONNECTED WITH ONE OF SAID END FRAME MEMBERS, THE OTHER END OF SAID PLATFORM BEING SUPPORTED BY THE OTHER OF SAID END FRAMES.
Claim 2
Dependent Claim
122 words
A FOLDING SCAFFOLD COMPRISING A PAIR OF OPPOSED END FRAME MEMBERS, SAID END FRAME MEMBERS EACH HAVING A PAIR OF FREELY EXTENDING PARALLEL SUPPORT MEMBERS, A POST MEMBER TELESCOPICALLY CONNECTED WITH EACH ONE OF SAID SUPPORT MEMBERS, AT LEAST ONE PAIR OF SAID POST MEMBERS HAVING A CROSS MEMBER CONNECTING ONE END THEREOF DEFINING AN INVERTED U-SHAPE STRUCTURE, SIDE MEMBERS INTERCONNECTING SAID END FRAMES AND SAID POST MEMBERS FOR MOVING SAID END FRAMES AND ASSOCIATED PARTS IN PARALLEL RELATION TOGETHER AND APART UPON MOVEMENT OF ONE OF SAID POST MEMBERS IN A VERTICAL PLANE, AND A PLATFORM MEMBER PIVOTALLY CONNECTED WITH ONE OF SAID END FRAME MEMBERS, THE OTHER END OF SAID PLATFORM BEING SUPPORTED BY THE OTHER OF SAID END FRAMES.
References Cited (Backward Citations)
US2394221A
Cited
US3071206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |