US2838291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cement mixer
Assignee: Individual
•
Filing: 1954-11-24
•
Granted: 1958-06-10
•
Expires: 1974-11-24
Abstract
No abstract record available.
Inventors
- 👤 Chad A Peebles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:17
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/08; B28C5/18; B28C5/1825; B28C5/1887
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US801442A
Cited
US1223385A
Cited
US1475904A
Cited
US2552855A
Cited
US2456285A
Cited
US2599852A
Cited
US2683026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |