US2881501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete box-form construction
Assignee: Individual
•
Filing: 1955-07-11
•
Granted: 1959-04-14
•
Expires: 1975-07-11
Abstract
No abstract record available.
Inventors
- 👤 Vincent G Raney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:17
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/36; E04G11/40; E04G11/46; Y; Y10; Y10S; Y10S249/00; Y10S249/02; Y10S264/00; Y10S264/44; Y10S425/00; Y10S425/029
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1307031A
Cited
US1434242A
Cited
US1767067A
Cited
US1914417A
Cited
US1892311A
Cited
US2093401A
Cited
US2775019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |