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US3366718A Expired / Lapsed US ⏱️ 0.0 years remaining

Manufacturing method of foamed plastic pipes

Assignee: Toyo Tire Corp
•
Filing: 1964-06-22
•
Granted: 1968-01-30
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Expires: 1984-06-22
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Abstract

No abstract record available.

Inventors

  • 👤 Komada Hiroshi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 16:39
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/1228; B29C44/1242; B29C44/34; B29C44/36; B29C44/38; B29C44/388; B29C41/00; B29C41/02; B29C41/04; B29C41/042; B29L; B29L2023/00; B29L2023/22; B29L2023/225

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2463231A Cited
US2671939A Cited
GB914584A Cited
US3242240A Cited
US3229441A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-01-29 1971-07-31 1972-01-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-01-29 1975-07-31 1976-01-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-01-29 1979-07-31 1980-01-30 $7700.00 Window Closed / Lapsed

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