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US3013310A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of forming flanges on the ends of thermoplastic pipe

Assignee: FOSTER BROTHERS PLASTICS Ltd
•
Filing: 1959-07-07
•
Granted: 1961-12-19
•
Expires: 1979-07-07
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Abstract

No abstract record available.

Inventors

  • 👤 David K D Foster
  • 👤 Leslie D Done

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 07:44
CPC Classifications
F; F16; F16L; F16L47/00; F16L47/14; B; B29; B29C; B29C43/00; B29C43/02; B29C43/16; B29C49/00; B29C49/42; B29C49/48; B29C49/4802; B29C57/00; B29C2949/00; B29C2949/07; B29C2949/079; B29C2949/08; B29C49/4812; B29K; B29K2105/00; B29K2105/25; B29K2105/253; B29K2105/258; B29L; B29L2031/00; B29L2031/24; Y; Y10; Y10S; Y10S264/00; Y10S264/52; Y10S264/66

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2099055A Cited
US2347101A Cited
US2608501A Cited
US2712157A Cited
US2779996A Cited
GB821792A Cited
US2977633A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-12-18 1965-06-19 1965-12-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-12-18 1969-06-19 1969-12-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-12-18 1973-06-19 1973-12-19 $7700.00 Window Closed / Lapsed

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