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US2610137A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrothermal bag sealer

Assignee: Sears Roebuck and Co
•
Filing: 1948-08-16
•
Granted: 1952-09-09
•
Expires: 1968-08-16
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Abstract

No abstract record available.

Inventors

  • 👤 Cecil M Williamson
  • 👤 Earl D Boisselier

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 08:19
CPC Classifications
B; B29; B29C; B29C65/00; 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; B29C66/43121; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81433; B29C66/82; B29C66/822; B29C66/8221; B29C66/8227; B29C66/83; B29C66/832; B29C66/8324; B29C66/84; B29C66/861; B29C66/8614; B29C67/00; B29C67/0029; B65; B65B; B65B51/00; B65B51/10; B65B51/14; B65B51/148; Y; Y10; Y10T; Y10T156/00; Y10T156/18

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 80 words
A HAND TOOL FOR SEALING A THERMOPLASTIC BAG, COMPRISING A PAIR OF LEVER ARMS PIVOTED TOGETHER INTERMEDIATE THEIR ENDS, THE ARMS ON ONE SIDE OF THE PIVOT SERVING AS HANDLES, RELATIVELY LONG, NARROW TRANSVERSE JAWS ON THE ENDS OF SAID ARMS OPPOSITE SAID HANDLES, SAID JAWS HAVING A PLURALITY OF INTERENGAGING DEFORMATIONS COOPERATING TO PROVIDE A TORTUOUS PATH FOR GAS TENDING TO ENTER OR LEAVE A CONTAINER SEALED BY SAID TOOL, AND ELECTRICCAL MEANS FOR HEATING ONE OF SAID JAWS.
Claim 2
Dependent Claim 80 words
A HAND TOOL FOR SEALING A THERMOPLASTIC BAG, COMPRISING A PAIR OF LEVER ARMS PIVOTED TOGETHER INTERMEDIATE THEIR ENDS, THE ARMS ON ONE SIDE OF THE PIVOT SERVING AS HANDLES, RELATIVELY LONG, NARROW TRANSVERSE JAWS ON THE ENDS OF SAID ARMS OPPOSITE SAID HANDLES, SAID JAWS HAVING A PLURALITY OF INTERENGAGING DEFORMATIONS COOPERATING TO PROVIDE A TORTUOUS PATH FOR GAS TENDING TO ENTER OR LEAVE A CONTAINER SEALED BY SAID TOOL, AND ELECTRICCAL MEANS FOR HEATING ONE OF SAID JAWS.

References Cited (Backward Citations)

US728883A Cited
US1474825A Cited
US2341938A Cited
US2349126A Cited
US2496609A Cited
US2443749A Cited
US2441817A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-09-09 1956-03-10 1956-09-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-09-09 1960-03-10 1960-09-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-09-09 1964-03-10 1964-09-09 $7700.00 Window Closed / Lapsed

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