US3231043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffolding device
Assignee: Individual
•
Filing: 1964-01-29
•
Granted: 1966-01-25
•
Expires: 1984-01-29
Abstract
No abstract record available.
Inventors
- 👤 Robert N Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:36
CPC Classifications
E; E04; E04G; E04G3/00; E04G3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A PORTABLE SCAFFOLDING COMPRISING; FIRST AND SECOND RIGID ELONGATED SUSPENSION MEMBERS, THE UPPER SECTION OF EACH OF SAID MEMBER PROJECTING BACK AND DOWN AND FORMED TO HOOK OVER THE SILL OF AN OPEN WINDOW, THE LOWER SECTION OF EACH OF SAID SUSPENSION MEMBERS HAVING SUPPORTING LEDGES EXTENDING OUTWARDLY THEREFROM IN THE PLANE OF BUT OPPOSITE IN DIRECTION TO THE PROJECTION OF SAID HOOK FORMED UPPER PORTION, A FLAT ELONGATED PLATFORM MEMBER FOR RESTING ACROSS EACH OF SAID SUPPORTING LEDGES, ATTACHMENT MEANS SECURING SAID PLATFORM MEMBER TO EACH OF SAID SUPPORTING LEDGES, ONE OF SAID ATTACHMENT MEANS BEING ARRANGED TO PERMIT RELEASABLE COUPLING BETWEEN THE LEDGE OF SAID FIRST SUSPENSION MEMBER AND VARIOUS POINTS DISTRIBUTED ALONG SAID PLATFORM, AND ADJUSTABLE LENGTH BRACING MEANS INCLUDING AN UPPER HORIZONTAL BRACE MEMBER FIXED AT ONE END TO THE UPPER SECTION OF SAID FIRST SUSPENSION MEMEBR AND RELEASABLY ATTACHABLE AT VARIOUS POINTS THEREALONG IN THE VICINITY OF ITS OTHER END TO THE UPPER SECTION OF THE OTHER SUSPENSION MEMBER, AND A DIAGONAL BRACE MEMBER PIVOTALLY CONNECTED AT ONE END TO THE LOWER SECTION OF SAID FIRST SUSPENSION MEMBER AND RELEASABLY ATTACHABLE AT POINTS THEREALONG IN THE VICINITY OF ITS OTHER END TO THE UPPER SECTION OF THE SECOND SUSPENSION MEMBER.
Claim 2
Dependent Claim
205 words
A PORTABLE SCAFFOLDING COMPRISING; FIRST AND SECOND RIGID ELONGATED SUSPENSION MEMBERS, THE UPPER SECTION OF EACH OF SAID MEMBER PROJECTING BACK AND DOWN AND FORMED TO HOOK OVER THE SILL OF AN OPEN WINDOW, THE LOWER SECTION OF EACH OF SAID SUSPENSION MEMBERS HAVING SUPPORTING LEDGES EXTENDING OUTWARDLY THEREFROM IN THE PLANE OF BUT OPPOSITE IN DIRECTION TO THE PROJECTION OF SAID HOOK FORMED UPPER PORTION, A FLAT ELONGATED PLATFORM MEMBER FOR RESTING ACROSS EACH OF SAID SUPPORTING LEDGES, ATTACHMENT MEANS SECURING SAID PLATFORM MEMBER TO EACH OF SAID SUPPORTING LEDGES, ONE OF SAID ATTACHMENT MEANS BEING ARRANGED TO PERMIT RELEASABLE COUPLING BETWEEN THE LEDGE OF SAID FIRST SUSPENSION MEMBER AND VARIOUS POINTS DISTRIBUTED ALONG SAID PLATFORM, AND ADJUSTABLE LENGTH BRACING MEANS INCLUDING AN UPPER HORIZONTAL BRACE MEMBER FIXED AT ONE END TO THE UPPER SECTION OF SAID FIRST SUSPENSION MEMEBR AND RELEASABLY ATTACHABLE AT VARIOUS POINTS THEREALONG IN THE VICINITY OF ITS OTHER END TO THE UPPER SECTION OF THE OTHER SUSPENSION MEMBER, AND A DIAGONAL BRACE MEMBER PIVOTALLY CONNECTED AT ONE END TO THE LOWER SECTION OF SAID FIRST SUSPENSION MEMBER AND RELEASABLY ATTACHABLE AT POINTS THEREALONG IN THE VICINITY OF ITS OTHER END TO THE UPPER SECTION OF THE SECOND SUSPENSION MEMBER.
References Cited (Backward Citations)
US957324A
Cited
US1295453A
Cited
US1347016A
Cited
US1868187A
Cited
US2033497A
Cited
US2085572A
Cited
US2394221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |