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US3564657A Expired / Lapsed US ⏱️ 0.0 years remaining

Injection molding machine

Assignee: Individual
•
Filing: 1969-01-16
•
Granted: 1971-02-23
•
Expires: 1989-01-16
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Abstract

Abstract AN INJECTION MOLDING MACHINE OF THE TYPE HAVING FEMALE MOLD AND MALE MOLD RECIPROCABLE INTO AND OUT OF CONTACT WITH THE FEMALE MOLD, INCLUDING LIMIT SWITCH MEANS FOR TESTING WHETHER THE MOLDS HAVE BEEN CLEARED FULLY AND ARE IN CONDITION FOR A SEQUENTIAL MOLDING STEP.

Inventors

  • 👤 Katashi Aoki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 23:39
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/64; B29C45/68; B29C45/683; B29C45/84; B29C45/844

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-02-22 1974-08-24 1975-02-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-22 1978-08-24 1979-02-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-22 1982-08-24 1983-02-23 $7700.00 Window Closed / Lapsed

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