US2775017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete form structure
Assignee: Individual
•
Filing: 1953-02-20
•
Granted: 1956-12-25
•
Expires: 1973-02-20
Abstract
No abstract record available.
Inventors
- 👤 Paul F Mcdonough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:46
CPC Classifications
E; E04; E04G; E04G15/00; E04G15/04; E04B; E04B1/00; E04B1/38; E04B1/41; E04B1/4157; E04B5/00; E04B5/48
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1530200A
Cited
US1689248A
Cited
US1845760A
Cited
US1749725A
Cited
US1773811A
Cited
US1675942A
Cited
US1746696A
Cited
US1808912A
Cited
US1828876A
Cited
US1781601A
Cited
US2320869A
Cited
US2335338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |