Patent US2873529A successfully refreshed from Google Patents.
US2873529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for setting concrete forms to true line and grade
Assignee: Individual
•
Filing: 1954-12-17
•
Granted: 1959-02-17
•
Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 Eric E Hogan
- 👤 Robert S Malloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:42
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/05
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US135812A
Cited
US1320352A
Cited
US854916A
Cited
US915982A
Cited
US1199355A
Cited
US1022219A
Cited
US1237260A
Cited
US1128673A
Cited
US1210339A
Cited
US1274696A
Cited
US1416810A
Cited
US1607690A
Cited
US2326562A
Cited
US2519942A
Cited
CH249156A
Cited
US2562597A
Cited
US2688174A
Cited
US2624953A
Cited
GB700207A
Cited
US2764798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |