Patent US3081983A successfully refreshed from Google Patents.
US3081983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete mixer
Assignee: Individual
•
Filing: 1959-12-31
•
Granted: 1963-03-19
•
Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 Thibodeaux Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:56
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/04; B28C7/12; B28C7/126; B01; B01F; B01F27/00; B01F27/80; B01F27/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A MIXING MACHINE FOR CONCRETE OR THE LIKE COMPRISING A TANK HAVING AN OPEN TOP AND AN INNER SUBSTANTIALLY VERTICAL CIRCULAR WALL, AN OUTER SUBSTANTIALLY VERTICAL CONCENTRIC WALL, AND A SUBSTANTIALLY HORIZONTAL BOTTOM WALL, BEARINGS CONFINED WITHIN THE CIRCULAR INNER WALL, A VERTICAL DRIVE SHAFT OPERATING IN SAID BEARINGS, SAID SHAFT BEING HOLLOW AND PROVIDING AN AXIAL BORE THROUGH WHICH WATER MAY BE SUPPLIED UNDER PRESSURE, THE UPPER END OF SAID BORE BEING CLOSED, DRIVE MEANS FOR ROTATION OF SAID SHAFT CONNECTED WITH THE LOWER END THEREOF, A WATER SUPPLY PIPE UNDER SAID TANK COMMUNICATING WITH SAID BORE THROUGH A SWIVEL CONNECTION WITH THE LOWER END OF SAID SHAFT, A SPIDER OPERATIVELY CONNECTED WITH THE UPPER END OF SAID SHAFT FOR ROTATION IN SAID TANK IN A SUBSTANTIALLY HORIZONTAL PLANE IN VERTICALLY SPACED SUBSTANTIALLY PARALLEL RELATION TO SAID BOTTOM WALL, ARMS EXTENDING DOWNWARDLY FROM SAID SPIDER, MIXING BLADES CARRIED ON SAID LAST-NAMED ARMS AND OPERABLE IN SAID TANK BETWEEN THE INNER AND
Claim 2
Dependent Claim
162 words
A MIXING MACHINE FOR CONCRETE OR THE LIKE COMPRISING A TANK HAVING AN OPEN TOP AND AN INNER SUBSTANTIALLY VERTICAL CIRCULAR WALL, AN OUTER SUBSTANTIALLY VERTICAL CONCENTRIC WALL, AND A SUBSTANTIALLY HORIZONTAL BOTTOM WALL, BEARINGS CONFINED WITHIN THE CIRCULAR INNER WALL, A VERTICAL DRIVE SHAFT OPERATING IN SAID BEARINGS, SAID SHAFT BEING HOLLOW AND PROVIDING AN AXIAL BORE THROUGH WHICH WATER MAY BE SUPPLIED UNDER PRESSURE, THE UPPER END OF SAID BORE BEING CLOSED, DRIVE MEANS FOR ROTATION OF SAID SHAFT CONNECTED WITH THE LOWER END THEREOF, A WATER SUPPLY PIPE UNDER SAID TANK COMMUNICATING WITH SAID BORE THROUGH A SWIVEL CONNECTION WITH THE LOWER END OF SAID SHAFT, A SPIDER OPERATIVELY CONNECTED WITH THE UPPER END OF SAID SHAFT FOR ROTATION IN SAID TANK IN A SUBSTANTIALLY HORIZONTAL PLANE IN VERTICALLY SPACED SUBSTANTIALLY PARALLEL RELATION TO SAID BOTTOM WALL, ARMS EXTENDING DOWNWARDLY FROM SAID SPIDER, MIXING BLADES CARRIED ON SAID LAST-NAMED ARMS AND OPERABLE IN SAID TANK BETWEEN THE INNER AND
References Cited (Backward Citations)
US616915A
Cited
US920703A
Cited
FR569947A
Cited
US1621310A
Cited
US1724808A
Cited
US2013444A
Cited
US2150009A
Cited
US2225374A
Cited
US2481731A
Cited
US2593327A
Cited
US2570223A
Cited
US2641971A
Cited
US2727696A
Cited
US2637538A
Cited
US2867997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |