US1964386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for construction of concrete culverts
Assignee: Individual
•
Filing: 1931-11-12
•
Granted: 1934-06-26
•
Expires: 1951-11-12
Abstract
No abstract record available.
Inventors
- 👤 Nose Toichi
- 👤 Machi Kamakura
- 👤 Gun Kamakura
- 👤 Ken Kanagawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:44
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/024; F16L1/028; F16L1/038; B; B28; B28B; B28B7/00; B28B7/28; B28B7/30; B28B7/32; E; E04; E04G; E04G11/00; E04G11/04; E04G11/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-06-25 | 1937-12-25 | 1938-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-25 | 1941-12-25 | 1942-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-25 | 1945-12-25 | 1946-06-26 | $7700.00 | Window Closed / Lapsed |