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US2875562A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of and apparatus for filling and emptying collapsible containers

Assignee: Union Carbide Corp
•
Filing: 1954-12-14
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Granted: 1959-03-03
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Expires: 1974-12-14
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Abstract

No abstract record available.

Inventors

  • 👤 James A Mitchell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 12:18
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1590580A Cited
US1863775A Cited
US2063652A Cited
US2104930A Cited
US2246497A Cited
US2258215A Cited
US2564163A Cited
US2523716A Cited
US2612924A Cited
US2662042A Cited
US2690850A Cited
US2677406A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-03-02 1962-09-01 1963-03-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-03-02 1966-09-01 1967-03-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-03-02 1970-09-01 1971-03-03 $7700.00 Window Closed / Lapsed

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