Patent US1935922A successfully refreshed from Google Patents.
US1935922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete mixing and transporting vehicle
Assignee: HAROLD J KAUFMAN
•
Filing: 1928-12-21
•
Granted: 1933-11-21
•
Expires: 1948-12-21
Abstract
No abstract record available.
Inventors
- 👤 Stepanian Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:17
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/42; B28C5/4203; B28C5/4234; B28C5/4244; B28C5/4255
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1936-11-20 | 1937-05-22 | 1937-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-11-20 | 1941-05-22 | 1941-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-11-20 | 1945-05-22 | 1945-11-21 | $7700.00 | Window Closed / Lapsed |