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US2835926A Expired / Lapsed US ⏱️ 0.0 years remaining

Art of making closure members by depositing and curing a compound in the closure shell and thereafter molding

Assignee: Continental Can Co Inc
•
Filing: 1950-11-08
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Granted: 1958-05-27
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Expires: 1970-11-08
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Abstract

No abstract record available.

Inventors

  • 👤 Curtis E Maier
  • 👤 Halford E Brockett
  • 👤 Ralph A Larson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 09:44
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29C43/18; B29C70/00; B29C70/68; B29C70/78; B29C70/80; B65; B65D; B65D41/00; B65D41/02; B65D41/10; B65D41/12; B29C43/32; B29C43/34; B29C2043/3405; B29C2043/3416; B29C2043/3433; B29C43/50; B29C2043/5076; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/56; Y; Y10; Y10S; Y10S264/00; Y10S264/59; Y10S264/60; Y10S425/00; Y10S425/809

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 90 words
THE METHOD OF FORMING SEALING PADS FOR CLOSURE SEALS, WHICH COMPRISES DEPOSITING IN A CLOSURE SHELL TO FORM A MASS SUBSTANTIALLY AT THE CENTER OF THE SHELL A QUANTITY OF SEMI-LIQUID PASTE COMPOSITION CONSISTING FOR ESSENTIALLY COMPONENTS THEREOF OF A NORMALLY LIQUID PLASTICIZER AND A FINELY DIVIDED RESIN WHICH IS PASTE-FORMING WITH THE PLASTICIZER AT A TEMPERATURE BELOW THE FLUXING TEMPERATURE OF THE RESIN-PLASTICIZER COMPONENTS, AND COMPOSITION BEING CABABLE UPON BEING HEATED TO THE FLUXING TEMPERATURE OF THE RESIN-PLASTICIZER COMPONENTS THEREOF OF FORMING A PERMANENT RUBBERY GEL, HEATING AND THEREBY
Claim 2
Independent Claim 90 words
THE METHOD OF FORMING SEALING PADS FOR CLOSURE SEALS, WHICH COMPRISES DEPOSITING IN A CLOSURE SHELL TO FORM A MASS SUBSTANTIALLY AT THE CENTER OF THE SHELL A QUANTITY OF SEMI-LIQUID PASTE COMPOSITION CONSISTING FOR ESSENTIALLY COMPONENTS THEREOF OF A NORMALLY LIQUID PLASTICIZER AND A FINELY DIVIDED RESIN WHICH IS PASTE-FORMING WITH THE PLASTICIZER AT A TEMPERATURE BELOW THE FLUXING TEMPERATURE OF THE RESIN-PLASTICIZER COMPONENTS, AND COMPOSITION BEING CABABLE UPON BEING HEATED TO THE FLUXING TEMPERATURE OF THE RESIN-PLASTICIZER COMPONENTS THEREOF OF FORMING A PERMANENT RUBBERY GEL, HEATING AND THEREBY

References Cited (Backward Citations)

US1373060A Cited
US1486937A Cited
US2144495A Cited
GB500298A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-05-26 1961-11-25 1962-05-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-05-26 1965-11-25 1966-05-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-05-26 1969-11-25 1970-05-27 $7700.00 Window Closed / Lapsed

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