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US3258148A Expired / Lapsed US ⏱️ 0.0 years remaining

Controlled torque closure members and gaskets therefor

Assignee: Continental Can Co Inc
•
Filing: 1962-04-16
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Granted: 1966-06-28
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Expires: 1982-04-16
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Abstract

No abstract record available.

Inventors

  • 👤 Harold W Unger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 06:48
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/02; B65D41/04; B65D41/0435; B65D41/0442

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 82 words
A CLOSURE MEMBER FOR APPLICATION TO A CONTAINER TO ESTABLISH A HERMETIC SEAL THEREWITH, SAID CLOSURE MEMBER COMPRISING A TOP PANEL AND DEPENDING SKIRT MEANS FOR GRIPPING A CONTAINER SURFACE PORTION, COMPRESSIBLE RUBBER GASKETING MEANS MOUNTED IN SAID CLOSURE MEMBER FOR SEALING APPLICATION AGAINST A CONTAINER FINISH, AND A COATING OF A SILOXANE POLYMER HAVING A VISCOSITY ON THE ORDER OF AT LEAST ABOUT 60,000 CENTISTOKES APPLIED TO THE SURFACE PORTIONS OF SAID GASKETING MEANS ADAPTED FOR CONTACT WITH SAID CONTAINER FINISH.
Claim 2
Dependent Claim 82 words
A CLOSURE MEMBER FOR APPLICATION TO A CONTAINER TO ESTABLISH A HERMETIC SEAL THEREWITH, SAID CLOSURE MEMBER COMPRISING A TOP PANEL AND DEPENDING SKIRT MEANS FOR GRIPPING A CONTAINER SURFACE PORTION, COMPRESSIBLE RUBBER GASKETING MEANS MOUNTED IN SAID CLOSURE MEMBER FOR SEALING APPLICATION AGAINST A CONTAINER FINISH, AND A COATING OF A SILOXANE POLYMER HAVING A VISCOSITY ON THE ORDER OF AT LEAST ABOUT 60,000 CENTISTOKES APPLIED TO THE SURFACE PORTIONS OF SAID GASKETING MEANS ADAPTED FOR CONTACT WITH SAID CONTAINER FINISH.

References Cited (Backward Citations)

US2649090A Cited
US2771422A Cited
US2863897A Cited
US2841304A Cited
US2874863A Cited
US2961425A Cited
US3068194A Cited
US3061578A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-06-27 1969-12-27 1970-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-27 1973-12-27 1974-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-27 1977-12-27 1978-06-28 $7700.00 Window Closed / Lapsed

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