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US3522689A Expired / Lapsed US ⏱️ 0.0 years remaining

Seal forming machine for forming successive transverse-spaced seals between the plies of a plural-ply strip in a packaging or other apparatus

Assignee: ECON O LINE Manufacturing CO
•
Filing: 1967-08-21
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Granted: 1970-08-04
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Expires: 1987-08-21
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Abstract

No abstract record available.

Inventors

  • 👤 James C Wylie
  • 👤 Robert L Gussman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 23:03
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/74; B29C65/745; B29C65/7451; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/81431; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/834; B29C66/8351; B29C66/83511; B29C66/83513; B29C66/84; B29C66/849; B65; B65B; B65B51/00; B65B51/10; B65B51/26; B65B51/30; B65B51/306; B65B9/00; B65B9/10; B65B9/20; B65B9/207; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91431

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2966021A Cited
US2950588A Cited
US3163971A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-08-03 1974-02-02 1974-08-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-08-03 1978-02-02 1978-08-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-08-03 1982-02-02 1982-08-04 $7700.00 Window Closed / Lapsed

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