US2926880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffolding supports
Assignee: Individual
•
Filing: 1955-06-22
•
Granted: 1960-03-01
•
Expires: 1975-06-22
Abstract
No abstract record available.
Inventors
- 👤 John B Bourgeois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:56
CPC Classifications
E; E04; E04G; E04G3/00; E04G3/22; E04G5/00; E04G5/04; E04G5/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US268138A
Cited
US535707A
Cited
US1099863A
Cited
US1202885A
Cited
US1222020A
Cited
US1342659A
Cited
US1442582A
Cited
US1832315A
Cited
US1961421A
Cited
US2145807A
Cited
US2408719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |