US2960743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete wall form construction and adapter clip therefor
Assignee: ROCFORM CORP
•
Filing: 1956-06-04
•
Granted: 1960-11-22
•
Expires: 1976-06-04
Abstract
No abstract record available.
Inventors
- 👤 Arrighini Artil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:38
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/06; E04G17/07; E04G17/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2133574A
Cited
US2217278A
Cited
US2526529A
Cited
US2631352A
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US2687836A
Cited
US2659491A
Cited
US2762596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |