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US3217620A Expired / Lapsed US ⏱️ 0.0 years remaining

Roadway maintenance apparatus

Assignee: Doosan Bobcat North America Inc
•
Filing: 1961-10-17
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Granted: 1965-11-16
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Expires: 1981-10-17
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Abstract

No abstract record available.

Inventors

  • 👤 Kenneth H Mindrum
  • 👤 Cyril B Rogers

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 08:47
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/06; E01C19/00; E01C19/22; E01C19/23; E01C19/28; E01C19/285; E01C19/48; E01C19/4833; E01C19/4853; E01C23/08; E01C23/085; E01C23/088; E01C23/0885

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 169 words
A SELF-PROPELLED ROAD REPAIR VEHICLE COMPRISING AN OPERATOR''S STATION, A MOUNTING MEMBER MEANS MOUNTING SAID MOUNTING MEMBER ON SAID VEHICLE FOR MOVEMENT BOTH LONGITUDINALLY AND LATERALLY THERETO TO HAVE WHEN THE VEHICLE IS STATIONARY AN AMBIT DEFINED BY ITS LONGITUDINAL AND LATERAL MOVEMENTS, A PLURALITY OF ROAD REPAIR ELEMENTS ADJUSTABLY MOUNTED ON SAID MOUNTING MEMBER FOR POSITIONING THEREBY AT A ROAD SURFACE CAVITY WITHIN SAID AMBIT AND VISIBLE IN ALL POSITIONS THEREOF FROM SAID STATION, POSITIONING MEANS INCLUDING SAID MOUNTING MEMBER FOR SEQUENTIALLY DISPOSING SAID REPAIR ELEMENTS IN THE RESPECTIVE OPERATIVE POSITIONS THEREOF, A STORAGE HOPPER MOUNTED ON THE VEHICLE FOR TRANSMITTING ROAD PATCHING MATERIAL, MEANS EXTENDING FROM SAID HOPPER FOR CONVEYING PATCHING MATERIAL THEREFROM TO SUCH CAVITY, AND RESPECTIVE MOTIVE MEANS FOR OPERATING SAID MOUNTING MEMBER, REPAIR ELEMENTS, AND CONVEYING MEANS IN STATIONARY CONDITION OF THE VEHICLE, SAID REPAIR ELEMENTS INCLUDING A ROUTING IMPLEMENT FOR TRIMMING SUCH CAVITY BEFORE DELIVERY OF PATCHING MATERIAL THERETO AND A TAMPING IMPLEMENT FOR PACKING AND LEVELING PATCHING MATERIAL DELIVERY TO THE CAVITY.
Claim 2
Dependent Claim 169 words
A SELF-PROPELLED ROAD REPAIR VEHICLE COMPRISING AN OPERATOR''S STATION, A MOUNTING MEMBER MEANS MOUNTING SAID MOUNTING MEMBER ON SAID VEHICLE FOR MOVEMENT BOTH LONGITUDINALLY AND LATERALLY THERETO TO HAVE WHEN THE VEHICLE IS STATIONARY AN AMBIT DEFINED BY ITS LONGITUDINAL AND LATERAL MOVEMENTS, A PLURALITY OF ROAD REPAIR ELEMENTS ADJUSTABLY MOUNTED ON SAID MOUNTING MEMBER FOR POSITIONING THEREBY AT A ROAD SURFACE CAVITY WITHIN SAID AMBIT AND VISIBLE IN ALL POSITIONS THEREOF FROM SAID STATION, POSITIONING MEANS INCLUDING SAID MOUNTING MEMBER FOR SEQUENTIALLY DISPOSING SAID REPAIR ELEMENTS IN THE RESPECTIVE OPERATIVE POSITIONS THEREOF, A STORAGE HOPPER MOUNTED ON THE VEHICLE FOR TRANSMITTING ROAD PATCHING MATERIAL, MEANS EXTENDING FROM SAID HOPPER FOR CONVEYING PATCHING MATERIAL THEREFROM TO SUCH CAVITY, AND RESPECTIVE MOTIVE MEANS FOR OPERATING SAID MOUNTING MEMBER, REPAIR ELEMENTS, AND CONVEYING MEANS IN STATIONARY CONDITION OF THE VEHICLE, SAID REPAIR ELEMENTS INCLUDING A ROUTING IMPLEMENT FOR TRIMMING SUCH CAVITY BEFORE DELIVERY OF PATCHING MATERIAL THERETO AND A TAMPING IMPLEMENT FOR PACKING AND LEVELING PATCHING MATERIAL DELIVERY TO THE CAVITY.

References Cited (Backward Citations)

US1523084A Cited
US1864612A Cited
US1924825A Cited
US2251013A Cited
US2386025A Cited
US2426507A Cited
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US2752141A Cited
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US3072025A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-15 1969-05-17 1969-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-15 1973-05-17 1973-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-15 1977-05-17 1977-11-16 $7700.00 Window Closed / Lapsed

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