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US3550839A Expired / Lapsed US ⏱️ 0.0 years remaining

Doubled walled plastic bag

Assignee: Mobil Oil AS
•
Filing: 1968-12-16
•
Granted: 1970-12-29
•
Expires: 1988-12-16
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Abstract

No abstract record available.

Inventors

  • 👤 William J Clayton
  • 👤 Robert J Miller
  • 👤 Clair C Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:40
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C43/00; B29C43/22; B29C43/30; B29C43/305; B29C51/00; B29C51/18; B29C51/20; B29C51/22; B29C59/00; B29C59/02; B29C59/04; B29C59/046; B29C65/24; B29C65/245; B29C66/00; B29C66/004; B29C66/0042; B29C66/0046; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/23; B29C66/234; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/438; B29C66/45; B29C66/70; B29C66/72; B29C66/723; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81433; B29C66/818; B29C66/8181; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83415; B29C66/8351; B29C66/83511; B65; B65D; B65D31/00; B65D31/04; B29K; B29K2995/00; B29K2995/0018; B29K2995/0026; B29K2995/0027; B29L; B29L2031/00; B29L2031/712; B29L2031/7128; B29L2031/7138

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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