US3301151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete distributor
Assignee: RA Hanson Co Inc
•
Filing: 1964-12-28
•
Granted: 1967-01-31
•
Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Hanson
- 👤 Robert L Roller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:45
CPC Classifications
E; E02; E02B; E02B5/00; E02B5/02; E01; E01C; E01C19/00; E01C19/12; E01C19/18; E01C19/182; E01C19/48; E01C19/4833; E01C19/4853; E01C19/486
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A CONCRETE DISTRIBUTOR COMPRISING: A MOBILE FRAMEWORK; A DISTRIBUTING HOPPER SUPPORTED BY SAID FRAMEWORK HAVING PORTIONS THEREOF EXTENDING OUTWARDLY AND REARWARDLY FROM THE CENTER OF SAID FRAMEWORK FORMING A V-SHAPED CONFIGURATION IN PLAN, SAID HOPPER PORTIONS EACH HAVING AN OPEN BOTTOM SECTION DEFINED BY A FRONT WALL AND A REAR WALL WITH THE SPACING BETWEEN SAID FRONT AND REAR WALLS DECREASING FROM FORWARD TO REARWARD ENDS OF THE HOPPER; A FEED HOPPER COMMUNICATING WITH THE FORWARD ENDS OF SAID DISTRIBUTING HOPPER PORTIONS; A DISTRIBUTING SCREW IN EACH DISTRIBUTING HOPPER PORTION TAPERING FROM FRONT TO REAR TO CONFORM TO THE DECREASED WIDTH OF SAID DISTRIBUTOR HOPPER PORTIONS;
Claim 2
Dependent Claim
106 words
A CONCRETE DISTRIBUTOR COMPRISING: A MOBILE FRAMEWORK; A DISTRIBUTING HOPPER SUPPORTED BY SAID FRAMEWORK HAVING PORTIONS THEREOF EXTENDING OUTWARDLY AND REARWARDLY FROM THE CENTER OF SAID FRAMEWORK FORMING A V-SHAPED CONFIGURATION IN PLAN, SAID HOPPER PORTIONS EACH HAVING AN OPEN BOTTOM SECTION DEFINED BY A FRONT WALL AND A REAR WALL WITH THE SPACING BETWEEN SAID FRONT AND REAR WALLS DECREASING FROM FORWARD TO REARWARD ENDS OF THE HOPPER; A FEED HOPPER COMMUNICATING WITH THE FORWARD ENDS OF SAID DISTRIBUTING HOPPER PORTIONS; A DISTRIBUTING SCREW IN EACH DISTRIBUTING HOPPER PORTION TAPERING FROM FRONT TO REAR TO CONFORM TO THE DECREASED WIDTH OF SAID DISTRIBUTOR HOPPER PORTIONS;
References Cited (Backward Citations)
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US1907668A
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US2303486A
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US2393954A
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US2888864A
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US3058404A
Cited
US3220323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |