Patent US3057696A successfully refreshed from Google Patents.
Patent US2610137A successfully refreshed from Google Patents.
US2610137A
Expired / Lapsed
US
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Electrothermal bag sealer
Assignee: Sears Roebuck and Co
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Filing: 1948-08-16
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Granted: 1952-09-09
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Expires: 1968-08-16
Abstract
No abstract record available.
Inventors
- 👤 Cecil M Williamson
- 👤 Earl D Boisselier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:42
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)
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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 |