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US3348968A Expired / Lapsed US ⏱️ 0.0 years remaining

Synthetic textile treated with polyalkenoxy agents and corrosion inhibiting salts to prevent static electric charges

Assignee: Imperial Chemical Industries Ltd
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Filing: 1964-02-20
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Granted: 1967-10-24
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Expires: 1984-02-20
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Abstract

No abstract record available.

Inventors

  • 👤 Hulbert Duncan Robert
  • 👤 Sheard Dennis Richard
  • 👤 Brown Harold Frederick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 13:07
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/80; D06M11/82; D06M11/58; D06M11/64; D06M11/65; D06M13/00; D06M13/244; D06M13/248; D06M13/252; D06M13/322; D06M13/372; D06M15/00; D06M15/19; D06M15/37; D06M15/53; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T442/00; Y10T442/20; Y10T442/2418; Y10T442/2434

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2436978A Cited
US2461043A Cited
US2628176A Cited
US2664409A Cited
US2740759A Cited
US2955960A Cited
US3009830A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-10-23 1971-04-24 1971-10-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-10-23 1975-04-24 1975-10-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-10-23 1979-04-24 1979-10-24 $7700.00 Window Closed / Lapsed

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