Patent US3521767A successfully refreshed from Google Patents.
US3521767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle for the transport of a rotating mixer,or the like,provided with continuous conveyor
Assignee: Individual
•
Filing: 1968-01-24
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Granted: 1970-07-28
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Expires: 1988-01-24
Abstract
No abstract record available.
Inventors
- 👤 Lionello Rossi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:10
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/36; B28; B28C; B28C5/00; B28C5/42; B28C5/4203; B28C5/4234; B28C5/4244; B28C5/4255; B60P1/38; B60P3/00; B60P3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |