Patent FR881973A successfully refreshed from Google Patents.
US3326537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transit concrete mixer
Assignee: Individual
•
Filing: 1965-11-26
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Granted: 1967-06-20
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Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 James S Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:31
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/08; B28C5/18; B28C5/1825; B28C5/1831
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A TRANSIT CONCRETE MIXER COMPRISING A VEHICLE CHASSIS MOUNTED UPON ROAD WHEELS, A DRUM, MEANS TO SUPPORT SAID DRUM FROM THE CHASSIS FOR ROTATION ABOUT THE DRUM''S AXIS AND FOR TILTING MOVEMENT ABOUT A TRANSVERSE AXIS, MEANS FOR THUS TILTING THE DRUM BETWEEN A TRANSPORTING POSITION AND A DUMPING POSITION, AN IMPOSITIVE DRIVE MEANS MOUNTED UPON THE CHASSIS IN PORTION TO ENGAGE THE DRUM EXTERNALLY, AND CONSTITUTING THE SOLE MEANS TO ROTATE THE SAME, WHEN THE DRUM IS FULLY IN ITS TRANSPORTING POSITION, SAID DRIVE MEANS BEING OPERATIVELY CONNECTED TO THE ROAD WHEELS, TO BE DRIVEN BY THE LATTER.
Claim 2
Dependent Claim
99 words
A TRANSIT CONCRETE MIXER COMPRISING A VEHICLE CHASSIS MOUNTED UPON ROAD WHEELS, A DRUM, MEANS TO SUPPORT SAID DRUM FROM THE CHASSIS FOR ROTATION ABOUT THE DRUM''S AXIS AND FOR TILTING MOVEMENT ABOUT A TRANSVERSE AXIS, MEANS FOR THUS TILTING THE DRUM BETWEEN A TRANSPORTING POSITION AND A DUMPING POSITION, AN IMPOSITIVE DRIVE MEANS MOUNTED UPON THE CHASSIS IN PORTION TO ENGAGE THE DRUM EXTERNALLY, AND CONSTITUTING THE SOLE MEANS TO ROTATE THE SAME, WHEN THE DRUM IS FULLY IN ITS TRANSPORTING POSITION, SAID DRIVE MEANS BEING OPERATIVELY CONNECTED TO THE ROAD WHEELS, TO BE DRIVEN BY THE LATTER.
References Cited (Backward Citations)
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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) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |