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US3496001A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of producing suede-like synthetic leathers

Assignee: Toyo Tire Corp
•
Filing: 1967-01-10
•
Granted: 1970-02-17
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Expires: 1987-01-10
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Abstract

No abstract record available.

Inventors

  • 👤 Ichiro Minobe
  • 👤 Takashi Suzuki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 17:36
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/12; D06N3/14; D06N3/0056; D06N3/0063; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/27; Y10T428/273; Y10T428/31; Y10T442/00; Y10T442/20; Y10T442/2033; Y10T442/2139

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2871226A Cited
US3067483A Cited
US3100721A Cited
US3322568A Cited
US3360394A Cited
US3369925A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-02-16 1973-08-18 1974-02-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-02-16 1977-08-18 1978-02-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-02-16 1981-08-18 1982-02-17 $7700.00 Window Closed / Lapsed

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