US2328830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete mixer
Assignee: TL Smith Co
•
Filing: 1942-07-09
•
Granted: 1943-09-07
•
Expires: 1962-07-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Glenway Maxon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:07
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/42; B28C5/4203; B28C5/4231; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7835; Y10T137/7836; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882; Y10T137/8593; Y10T137/87917; Y10T137/88054
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) | 1946-09-06 | 1947-03-08 | 1947-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-09-06 | 1951-03-08 | 1951-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-09-06 | 1955-03-08 | 1955-09-07 | $7700.00 | Window Closed / Lapsed |