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US3331090A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid suction, storage and discharge device

Assignee: Avox Systems Inc
•
Filing: 1964-12-01
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Granted: 1967-07-18
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Expires: 1984-12-01
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Abstract

No abstract record available.

Inventors

  • 👤 Richard E Reiber
  • 👤 Richard W Coolbaugh

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 15:44
CPC Classifications
A; A47; A47L; A47L7/00; A47L7/0004; A47L7/0042; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L7/0009; A47L7/0023; A47L7/0028

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 191 words
A PORTABLE LIQUID PICK-UP, STORAGE AND DISCHARGE DEVICE ADAPTED TO BE CARRIED ABOUT ON THE BACK OF A USER AND COMPRISING A TANK, MEANS INCLUDING A BARRIER SEPARATING SAID TANK INTO A LIQUID STORAGE COMPARTMENT AND A SUPERPOSED MOTOR COMPARTMENT, MEANS INCLUDING A HARNESS FOR MOUNTING SAID TANK ON THE BACK OF A PERSON, AN ELONGATED TUBULAR CONDUIT CONNECTED TO SAID TANK AND EXTENDING THEREFROM FOR DELIVERING LIQUID TO AND FROM SAID STORAGE COMPARTMENT, SAID CONDUIT INCLUDING A FLEXIBLE HOSE PORTION EXTERNALLY OF SAID TANK AND AN INTERNAL CONDUIT PORTION EXTENDING DOWNWARDLY INTO SAID LIQUID STORAGE COMPARTMENT FROM ADJACENT THE UPPER END THEREOF, SAID INTERNAL CONDUIT PORTION TERMINATING AT ITS LOWER END IN CLOSELY SPACED RELATION TO THE BOTTOM OF SAID TANK, AN AIR PUMP AND A DRIVE MOTOR THEREFOR MOUNTED IN SAID MOTOR COMPARTMENT, SAID PUMP HAVING AN INLET AND AN OUTLET, AIR PASSAGES CONTAINED WITHIN SAID TANK PLACING SAID PUMP IN COMMUNICATION WITH SAID STORAGE COMPARTMENT, AND A PASSAGE CONTAINED WITHIN SAID TANK PLACING WITHIN SAID MOTOR COMPARTMENT AND MOVABLE BETWEEN A FIRST POSITION CONNECTING SAID PUMP INLET TO SAID STORAGE COMPARTMENT FOR EVACUATING AIR THEREFROM TO DRAW LIQUID
Claim 2
Dependent Claim 191 words
A PORTABLE LIQUID PICK-UP, STORAGE AND DISCHARGE DEVICE ADAPTED TO BE CARRIED ABOUT ON THE BACK OF A USER AND COMPRISING A TANK, MEANS INCLUDING A BARRIER SEPARATING SAID TANK INTO A LIQUID STORAGE COMPARTMENT AND A SUPERPOSED MOTOR COMPARTMENT, MEANS INCLUDING A HARNESS FOR MOUNTING SAID TANK ON THE BACK OF A PERSON, AN ELONGATED TUBULAR CONDUIT CONNECTED TO SAID TANK AND EXTENDING THEREFROM FOR DELIVERING LIQUID TO AND FROM SAID STORAGE COMPARTMENT, SAID CONDUIT INCLUDING A FLEXIBLE HOSE PORTION EXTERNALLY OF SAID TANK AND AN INTERNAL CONDUIT PORTION EXTENDING DOWNWARDLY INTO SAID LIQUID STORAGE COMPARTMENT FROM ADJACENT THE UPPER END THEREOF, SAID INTERNAL CONDUIT PORTION TERMINATING AT ITS LOWER END IN CLOSELY SPACED RELATION TO THE BOTTOM OF SAID TANK, AN AIR PUMP AND A DRIVE MOTOR THEREFOR MOUNTED IN SAID MOTOR COMPARTMENT, SAID PUMP HAVING AN INLET AND AN OUTLET, AIR PASSAGES CONTAINED WITHIN SAID TANK PLACING SAID PUMP IN COMMUNICATION WITH SAID STORAGE COMPARTMENT, AND A PASSAGE CONTAINED WITHIN SAID TANK PLACING WITHIN SAID MOTOR COMPARTMENT AND MOVABLE BETWEEN A FIRST POSITION CONNECTING SAID PUMP INLET TO SAID STORAGE COMPARTMENT FOR EVACUATING AIR THEREFROM TO DRAW LIQUID

References Cited (Backward Citations)

FR763304A Cited
CH150274A Cited
US2210950A Cited
US2533395A Cited
US2623234A Cited
US2643732A Cited
US3029463A Cited
US3165774A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-07-17 1971-01-16 1971-07-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-07-17 1975-01-16 1975-07-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-07-17 1979-01-16 1979-07-18 $7700.00 Window Closed / Lapsed

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