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US3494150A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for making knitted imitation fur

Assignee: HEINRICH W H GRAU
•
Filing: 1967-11-14
•
Granted: 1970-02-10
•
Expires: 1987-11-14
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Abstract

No abstract record available.

Inventors

  • 👤 Heinrich W H Grau

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 18:58
CPC Classifications
D; D04; D04B; D04B21/00; D04B21/14; D04B27/00; D04B27/10; D04B27/24; D04B27/26; D10; D10B; D10B2501/00; D10B2501/04; D10B2501/044

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE517583C Cited
CA661298A Cited
US1841165A Cited
US2515253A Cited
US2635443A Cited
US2786344A Cited
DE1188754B Cited
US2845783A Cited
US3008314A Cited
US2993353A Cited
US3109302A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-02-09 1973-08-11 1974-02-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-02-09 1977-08-11 1978-02-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-02-09 1981-08-11 1982-02-10 $7700.00 Window Closed / Lapsed

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