US3232377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable scaffold
Assignee: Baker-Roos Inc
•
Filing: 1963-06-17
•
Granted: 1966-02-01
•
Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 James R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:32
CPC Classifications
E; E04; E04G; E04G1/00; E04G1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
AN EXTENSIBLE SCAFFOLD, COMPRISING A GENERALLY RECTANGULAR BASE FRAME, A PAIR OF FRONT CORNER POSTS AND A PAIR OF REAR CORNER POSTS EXTENDING UPWARDLY FROM SAID BASE FRAME, A PLATFORM SUPPORTED BY SAID CORNER POSTS ABOVE SAID BASE FRAME, A LATTER SECTION SUPPORTED BY SAID FRONT CORNER POSTS FOR VERTICAL SLIDING MOVEMENT, COUNTER BALANCING MEANS MOUNTED WITHIN THE CONFINES OF SAID BASE FRAME AND BELOW SAID PLATFORM AND CONNECTED FOR COUNTER BALANCING SAID LADDER SECTION, RUNGS EXTENDING BETWEEN SAID REAR CORNER POSTS, EACH OF SAID REAR CORNER POSTS BEING PROVIDED WITH A SERIES OF VERTICALLY SPACED OPENINGS, A SECOND PLATFORM, MEMBERS SUPPORTING SAID SECOND PLATFORM, EACH OF SAID MEMBERS HAVING VERTICALLY SPACED LUGS RECEIVABLE IN SAID OPENINGS.
Claim 2
Dependent Claim
117 words
AN EXTENSIBLE SCAFFOLD, COMPRISING A GENERALLY RECTANGULAR BASE FRAME, A PAIR OF FRONT CORNER POSTS AND A PAIR OF REAR CORNER POSTS EXTENDING UPWARDLY FROM SAID BASE FRAME, A PLATFORM SUPPORTED BY SAID CORNER POSTS ABOVE SAID BASE FRAME, A LATTER SECTION SUPPORTED BY SAID FRONT CORNER POSTS FOR VERTICAL SLIDING MOVEMENT, COUNTER BALANCING MEANS MOUNTED WITHIN THE CONFINES OF SAID BASE FRAME AND BELOW SAID PLATFORM AND CONNECTED FOR COUNTER BALANCING SAID LADDER SECTION, RUNGS EXTENDING BETWEEN SAID REAR CORNER POSTS, EACH OF SAID REAR CORNER POSTS BEING PROVIDED WITH A SERIES OF VERTICALLY SPACED OPENINGS, A SECOND PLATFORM, MEMBERS SUPPORTING SAID SECOND PLATFORM, EACH OF SAID MEMBERS HAVING VERTICALLY SPACED LUGS RECEIVABLE IN SAID OPENINGS.
References Cited (Backward Citations)
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Cited
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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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |