Patent US3129786A successfully refreshed from Google Patents.
US3129786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile collapsible scaffold
Assignee: Individual
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Filing: 1962-01-15
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Granted: 1964-04-21
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Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Hiyama Kazuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:56
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A SCAFFOLD COMPRISING AN ELONGATED MOBILE FRAME; A PAIR OF ELONGATED PLATFORMS HAVING INNER EDGES IN JUXTAPOSITION AND DISPOSED LONGITUDINALLY OF THE FRAME; PIVOT MEANS INTERCONNECTING THE PLATFORMS ADJACENT TO SAID INNER EDGES; FIRST EXTENSIBLE STRUT MEANS INTERCONNECTING THE FRAME AND SAID PLATFORMS AT A POINT ADJACENT TO SAID INNER EDGES; SECOND EXTENSIBLE STRUT MEANS INTERCONNECTING THE FRAME AND EACH OF SAID PLATFORMS RESPECTIVELY AT POINTS SPACED FROM SAID INNER EDGES; POWER MEANS TO EFFECT EXTENSION AND RETRACTION OF SAID FIRST STRUT MEANS; AND MEANS TO SYNCHRONIZE EXTENSION AND RETRACTION OF SAID SECOND STRUT MEANS.
Claim 2
Dependent Claim
95 words
A SCAFFOLD COMPRISING AN ELONGATED MOBILE FRAME; A PAIR OF ELONGATED PLATFORMS HAVING INNER EDGES IN JUXTAPOSITION AND DISPOSED LONGITUDINALLY OF THE FRAME; PIVOT MEANS INTERCONNECTING THE PLATFORMS ADJACENT TO SAID INNER EDGES; FIRST EXTENSIBLE STRUT MEANS INTERCONNECTING THE FRAME AND SAID PLATFORMS AT A POINT ADJACENT TO SAID INNER EDGES; SECOND EXTENSIBLE STRUT MEANS INTERCONNECTING THE FRAME AND EACH OF SAID PLATFORMS RESPECTIVELY AT POINTS SPACED FROM SAID INNER EDGES; POWER MEANS TO EFFECT EXTENSION AND RETRACTION OF SAID FIRST STRUT MEANS; AND MEANS TO SYNCHRONIZE EXTENSION AND RETRACTION OF SAID SECOND STRUT MEANS.
References Cited (Backward Citations)
US1018757A
Cited
US2003581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |