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US3449196A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for making baglike bodies of thermoplastic synthetic resin films

Assignee: Toray Industries Inc
•
Filing: 1964-04-20
•
Granted: 1969-06-10
•
Expires: 1984-04-20
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Abstract

No abstract record available.

Inventors

  • 👤 Hirosuke Yumoto
  • 👤 Takeshi Hashimoto
  • 👤 Yutaka Morita
  • 👤 Yoshinobu Shibata
  • 👤 Shunichiro Kirimura
  • 👤 Mototsugu Kono
  • 👤 Yasuhiro Kojima

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 02:17
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/64; B31B70/649; B31B2155/00; B31B2155/002; B31B2160/00; B31B2160/10; B31B2160/20; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3106502A Cited
US3257256A Cited
US3272674A Cited
US3304217A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-06-09 1972-12-09 1973-06-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-06-09 1976-12-09 1977-06-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-06-09 1980-12-09 1981-06-10 $7700.00 Window Closed / Lapsed

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