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US2838797A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of and apparatus for sealing electrical components in a thermoplastic

Assignee: AT&T Inc
•
Filing: 1954-05-06
•
Granted: 1958-06-17
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Expires: 1974-05-06
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Frank J Kolar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 21:48
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/02; B29C39/04; B29C39/08; B29C35/00; B29C35/02; B29C35/04; B29C67/00; B29C67/24; B29C67/241; B29C70/00; B29C70/68; B29C70/72; B29C70/84; B29L; B29L2031/00; B29L2031/34; B29L2031/3406; Y; Y10; Y10T; Y10T428/00; Y10T428/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1706816A Cited
GB330516A Cited
US2158981A Cited
US2165936A Cited
US2346784A Cited
US2351321A Cited
US2536692A Cited
US2633605A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-06-16 1961-12-16 1962-06-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-06-16 1965-12-16 1966-06-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-06-16 1969-12-16 1970-06-17 $7700.00 Window Closed / Lapsed

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