Patent US3311191A successfully refreshed from Google Patents.
US3311191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible scaffold
Assignee: Individual
•
Filing: 1965-07-19
•
Granted: 1967-03-28
•
Expires: 1985-07-19
Abstract
No abstract record available.
Inventors
- 👤 Hiyama Kazuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:18
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A COLLAPSIBLE SCAFFOLD COMPRISING AN ELONGATED MOBILE FRAME; A SUPPORT PLATFORM BORNE BY THE FRAME HAVING A PLURALITY OF HINGED SECTIONS MOVABLE BETWEEN SUBSTANTIALLY COPLANAR OPERATING POSITIONS AND ANGULARLY RELATED RETRACTED POSITIONS; A MAIN HARVESTING PLATFORM HAVING A PLURALITY OF HINGED SECTIONS PIVOTALLY MOUNTED ON SAID SUPPORT PLATFORM FOR PLANAR UNITARY ELEVATIONAL SWINGING MOVEMENT RELATIVE TO THE SUPPORT PLATFORM BETWEEN A SUBSTANTIALLY UPRIGHT RETRACTED POSITION, A DOWNWARDLY EXTENDED RETRACTED POSITION AND A WORKMAN SUPPORT POSITION OUTWARDLY EXTENDED FROM THE SUPPORT PLATFORM IN OVERHANGING RELATION TO THE FRAME; AND MEANS
Claim 2
Dependent Claim
89 words
A COLLAPSIBLE SCAFFOLD COMPRISING AN ELONGATED MOBILE FRAME; A SUPPORT PLATFORM BORNE BY THE FRAME HAVING A PLURALITY OF HINGED SECTIONS MOVABLE BETWEEN SUBSTANTIALLY COPLANAR OPERATING POSITIONS AND ANGULARLY RELATED RETRACTED POSITIONS; A MAIN HARVESTING PLATFORM HAVING A PLURALITY OF HINGED SECTIONS PIVOTALLY MOUNTED ON SAID SUPPORT PLATFORM FOR PLANAR UNITARY ELEVATIONAL SWINGING MOVEMENT RELATIVE TO THE SUPPORT PLATFORM BETWEEN A SUBSTANTIALLY UPRIGHT RETRACTED POSITION, A DOWNWARDLY EXTENDED RETRACTED POSITION AND A WORKMAN SUPPORT POSITION OUTWARDLY EXTENDED FROM THE SUPPORT PLATFORM IN OVERHANGING RELATION TO THE FRAME; AND MEANS
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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |