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US2598900A Expired / Lapsed US ⏱️ 0.0 years remaining

Heat sealing device

Assignee: Individual
•
Filing: 1947-11-24
•
Granted: 1952-06-03
•
Expires: 1967-11-24
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Abstract

No abstract record available.

Inventors

  • 👤 Frye Jack

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 01:25
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/83; B29C66/836; B29C66/8362; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/81; B29C66/816; B29C66/8167; B29C66/834; B29C66/8341; B29C66/83441; B29C66/84; B29C66/861; B29C66/8616; H; H05; H05B; H05B3/00; H05B3/0033; H05B3/0038; H05B3/0057; B29C66/70; B29C66/71; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81421; B29C66/81422; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91431; B29C66/9161; B29C66/91641

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1656256A Cited
US1455842A Cited
US1656690A Cited
US1781158A Cited
US1997805A Cited
US2231132A Cited
US2074629A Cited
US2219649A Cited
FR863897A Cited
US2430920A Cited
US2401820A Cited
US2372737A Cited
US2484566A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-06-03 1955-12-03 1956-06-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-06-03 1959-12-03 1960-06-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-06-03 1963-12-03 1964-06-03 $7700.00 Window Closed / Lapsed

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