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US3147041A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for shipping incompatible materials in the same compartment

Assignee: Individual
•
Filing: 1961-05-29
•
Granted: 1964-09-01
•
Expires: 1981-05-29
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Abstract

No abstract record available.

Inventors

  • 👤 Max D Howcroft

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 15:24
CPC Classifications
B; B61; B61D; B61D5/00; B61D5/008

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 84 words
AN APPARATUS FOR TRANSPORTING FLOWABLE MATERIALS IN AN ELONGATED TANK-LIKE SHIPPING COMPARTMENT, COMPRISING A FLEXIBLE PLASTIC BAG ADAPTED FOR CONTAINING A FLOWABLE MATERIAL HAVING WALLS IMPERVIOUS TO VAPORS AND FORMED IN SUBSTANTIAL MATCHING CONFIGURATION AT THE END OF THE COMPARTMENT, A CONVEYOR FOR MOVING MATERIALS INTO AND OUT OF SAID BAG THROUGH SAID LIMITED ACCESS, AND PENUMATIC MEANS ASSOCIATED WITH SAID CONVEYOR AND SIMULTANEOUSLY OPERATIVE THEREWITH FOR MAINTAINING THE BAG IN AN INFLATED CONDITION AS MATERIAL IS MOVED INTO AND OUT OF SAID BAG.

References Cited (Backward Citations)

CA484440A Cited
US1498612A Cited
US2394607A Cited
US2991906A Cited
US2950146A Cited
US3005317A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-09-01 1968-03-02 1968-09-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-09-01 1972-03-02 1972-09-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-09-01 1976-03-02 1976-09-01 $7700.00 Window Closed / Lapsed

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