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US2834498A Expired / Lapsed US ⏱️ 0.0 years remaining

Crown with improved liner

Assignee: Crown Cork and Seal Co Inc
•
Filing: 1957-02-13
•
Granted: 1958-05-13
•
Expires: 1977-02-13
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Abstract

No abstract record available.

Inventors

  • 👤 Leonard F Olt
  • 👤 Robert L Olt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 19:21
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/10; B65D41/12; Y; Y10; Y10S; Y10S425/00; Y10S425/809; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/107; Y10T156/1072

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 20 words
A CONTAINER CLOSURE HAVING A LINER COMPOSED OF 10 TO 87.5% GRANULAR CORK BONDED TOGETHER BY 90 TO 12.5% POLYETHYLENE.

References Cited (Backward Citations)

US2196407A Cited
US2317328A Cited
US2400139A Cited
US2551087A Cited
US2705536A Cited
US2654913A Cited
US2684774A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-05-12 1961-11-11 1962-05-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-05-12 1965-11-11 1966-05-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-05-12 1969-11-11 1970-05-13 $7700.00 Window Closed / Lapsed

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