Patent US4949166A successfully refreshed from Google Patents.
Patent US2952060A successfully refreshed from Google Patents.
US2952060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete form securing means
Assignee: Individual
•
Filing: 1958-02-17
•
Granted: 1960-09-13
•
Expires: 1978-02-17
Abstract
No abstract record available.
Inventors
- 👤 Homer E Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:21
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/06; E04G17/075; E04G17/0751; E04G17/0754
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US845635A
Cited
US1875136A
Cited
US1954928A
Cited
US2273198A
Cited
US2298837A
Cited
US2442292A
Cited
US2657449A
Cited
US2632228A
Cited
US2689101A
Cited
US2709292A
Cited
US2825956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |