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US2536867A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine for collapsing tubes

Assignee: Individual
•
Filing: 1946-04-01
•
Granted: 1951-01-02
•
Expires: 1966-04-01
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Abstract

No abstract record available.

Inventors

  • 👤 Barnett Max

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 03:26
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/24; B65D35/32; B65D35/34

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1320275A Cited
US764103A Cited
US1208620A Cited
US1543518A Cited
US1894936A Cited
US1927278A Cited
US1939575A Cited
US2051146A Cited
US2073473A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-01-01 1954-07-03 1955-01-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-01-01 1958-07-03 1959-01-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-01-01 1962-07-03 1963-01-02 $7700.00 Window Closed / Lapsed

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