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US3435736A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making a square bottom bag

Assignee: ERWIN W P REICHE
•
Filing: 1965-10-11
•
Granted: 1969-04-01
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Expires: 1985-10-11
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Abstract

No abstract record available.

Inventors

  • 👤 Erwin W P Reiche

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:23
CPC Classifications
B; B65; B65D; B65D31/00; B65D31/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2070747A Cited
US2985355A Cited
US2810328A Cited
US3025768A Cited
US3150573A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-03-31 1972-09-30 1973-04-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-03-31 1976-09-30 1977-04-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-03-31 1980-09-30 1981-04-01 $7700.00 Window Closed / Lapsed

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