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US2630238A Expired / Lapsed US ⏱️ 0.0 years remaining

Tear out closure

Assignee: Pm Ind Inc
•
Filing: 1949-05-09
•
Granted: 1953-03-03
•
Expires: 1969-05-09
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Abstract

No abstract record available.

Inventors

  • 👤 Robert B Battersby

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 17:28
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/46; B65D41/48; B65D77/00; B65D77/22; B65D77/30; B65D2401/00; B65D2401/15; B65D2401/35

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1327190A Cited
US1542944A Cited
US1475908A Cited
US1601618A Cited
US2029131A Cited
US2180055A Cited
US2157646A Cited
US2397051A Cited
US2487400A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-03-02 1956-09-01 1957-03-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-03-02 1960-09-01 1961-03-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-03-02 1964-09-01 1965-03-03 $7700.00 Window Closed / Lapsed

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