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US3551546A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for the production of biaxially oriented polypropylene film

Assignee: Mobil Oil AS
•
Filing: 1968-07-05
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Granted: 1970-12-29
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Expires: 1988-07-05
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Abstract

No abstract record available.

Inventors

  • 👤 David L Gosper
  • 👤 Myron L Moffitt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:57
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22; B29C43/24; B29B; B29B17/00; B29B17/0005; B29C43/224; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/12; B29C48/25; B29C48/88; B29C48/91; B29C48/911; B29C48/919; B29C55/00; B29C55/02; B29C55/10; B29C55/12; B29C55/14; B29C55/146; B29C55/20; B29C2793/00; B29C2793/0063; B29C48/001; B29C48/0011; B29C48/0018; B29C48/0022; B29L; B29L2007/00; B29L2007/001; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-12-28 1974-06-29 1974-12-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-12-28 1978-06-29 1978-12-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-12-28 1982-06-29 1982-12-29 $7700.00 Window Closed / Lapsed

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