US3292734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roof scaffold
Assignee: Individual
•
Filing: 1964-10-12
•
Granted: 1966-12-20
•
Expires: 1984-10-12
Abstract
No abstract record available.
Inventors
- 👤 Franz F Swanberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:56
CPC Classifications
E; E04; E04G; E04G3/00; E04G3/24; E04G3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A ROOF SCAFFOLD COMPRISING, TWO SUBSTANTIALLY PARALLEL WOODEN BARS, A HOLLOW METAL FITTING FOR EACH BAR, EACH FITTING INCLUDING, A METAL SLEEVE, SAID SLEEVES FITTING OVER CORRESPONDING ENDS OF SAID BARS, MEANS TO SECURE SAID ENDS IN SAID SLEEVES, AN ARM SWINGABLY SECURED TO EACH SLEEVE BY A PIVOT WHICH IS TRANSVERSE TO SAID BARS, MEANS TO SECURE SAID ARMS TO A ROOF, A SECOND HOLLOW METAL FITTING
Claim 2
Dependent Claim
68 words
A ROOF SCAFFOLD COMPRISING, TWO SUBSTANTIALLY PARALLEL WOODEN BARS, A HOLLOW METAL FITTING FOR EACH BAR, EACH FITTING INCLUDING, A METAL SLEEVE, SAID SLEEVES FITTING OVER CORRESPONDING ENDS OF SAID BARS, MEANS TO SECURE SAID ENDS IN SAID SLEEVES, AN ARM SWINGABLY SECURED TO EACH SLEEVE BY A PIVOT WHICH IS TRANSVERSE TO SAID BARS, MEANS TO SECURE SAID ARMS TO A ROOF, A SECOND HOLLOW METAL FITTING
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |