US2569612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of reinforced concrete pipes
Assignee: Pont a Mousson SA
•
Filing: 1945-10-27
•
Granted: 1951-10-02
•
Expires: 1965-10-27
Abstract
No abstract record available.
Inventors
- 👤 Laurent Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:08
CPC Classifications
B; B65; B65H; B65H81/00; B65H81/06; B65H81/08; Y; Y10; Y10S; Y10S29/00; Y10S29/042; Y10T; Y10T29/00; Y10T29/49; Y10T29/49764; Y10T29/49771; Y10T29/49776; Y10T29/49805
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1804888A
Cited
GB338934A
Cited
US2048253A
Cited
US2072273A
Cited
US2191025A
Cited
US2217090A
Cited
US2273736A
Cited
US2348765A
Cited
US2375921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |