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US3400028A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for producing leakproof containers

Assignee: Individual
•
Filing: 1965-12-21
•
Granted: 1968-09-03
•
Expires: 1985-12-21
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Abstract

No abstract record available.

Inventors

  • 👤 Wikholm Karl Oskar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 02:51
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/02; B65D90/022; B29; B29D; B29D22/00; B29D22/003; B32; B32B; B32B27/00; B65D11/00; B65D11/20; B65D81/00; B65D81/38; B65D9/00; B65D9/30; B29K; B29K2105/00; B29K2105/06; Y; Y02; Y02W; Y02W90/00; Y02W90/10; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1034

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1942162A Cited
US2385146A Cited
US2905580A Cited
US3007597A Cited
US3052019A Cited
US3131104A Cited
US3298150A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-09-03 1972-03-04 1972-09-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-09-03 1976-03-04 1976-09-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-09-03 1980-03-04 1980-09-03 $7700.00 Window Closed / Lapsed

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