US2696371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truck-mounted concrete mixer
Assignee: Chain Belt Co
•
Filing: 1951-08-03
•
Granted: 1954-12-07
•
Expires: 1971-08-03
Abstract
No abstract record available.
Inventors
- 👤 John W Lendved
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:20
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/42; B28C5/4272
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2487887A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |