US3227426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grout-delivery unit
Assignee: Individual
•
Filing: 1964-05-04
•
Granted: 1966-01-04
•
Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Chester I Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:48
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/10; F04C2/107; F04C2/1071; F04C2/1073; E; E21; E21D; E21D20/00; E21D20/02; E21D20/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A PORTABLE GROUT-DELIVERY UNIT, COMPRISING: A FRAME; A PUMP MOUNTED ON SAID FRAME; A POWER TAKE-OFF UNIT MOUNTED ON SAID FRAME AND HAVING AN OUTPUT SHAFT EXTENDING NORMALLY UPWARD; A MOTOR MOUNTED ON SAID FRAME IN DRIVING RELATIONSHIP WITH SAID POWER TAKE-OFF UNIT AND SAID PUMP; CLUTCH MEANS OPERATIVE TO DISENGAGE AND ENGAGE SAID PUMP FROM SAID DRIVING RELATIONSHIP; A TANK MOUNTED ON SAID FRAME, AND HAVING AGITATOR MEANS ROTATABLY MOUNTED ON A VERTICAL AXIS AND OPERABLY CONNECTED TO SAID POWER TAKE-OFF OUTPUT SHAFT; CONDUIT MEANS EXTENDING FROM SAID TANK TO SAID PUMP; AND HANDLE MEANS MOUNTED ON SAID FRAME.
Claim 2
Dependent Claim
100 words
A PORTABLE GROUT-DELIVERY UNIT, COMPRISING: A FRAME; A PUMP MOUNTED ON SAID FRAME; A POWER TAKE-OFF UNIT MOUNTED ON SAID FRAME AND HAVING AN OUTPUT SHAFT EXTENDING NORMALLY UPWARD; A MOTOR MOUNTED ON SAID FRAME IN DRIVING RELATIONSHIP WITH SAID POWER TAKE-OFF UNIT AND SAID PUMP; CLUTCH MEANS OPERATIVE TO DISENGAGE AND ENGAGE SAID PUMP FROM SAID DRIVING RELATIONSHIP; A TANK MOUNTED ON SAID FRAME, AND HAVING AGITATOR MEANS ROTATABLY MOUNTED ON A VERTICAL AXIS AND OPERABLY CONNECTED TO SAID POWER TAKE-OFF OUTPUT SHAFT; CONDUIT MEANS EXTENDING FROM SAID TANK TO SAID PUMP; AND HANDLE MEANS MOUNTED ON SAID FRAME.
References Cited (Backward Citations)
US1829479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |