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US3548140A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for sealing containers using heat activated magnetic sealing compound

Assignee: Continental Can Co Inc
•
Filing: 1967-07-25
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Granted: 1970-12-15
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Expires: 1987-07-25
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Abstract

No abstract record available.

Inventors

  • 👤 Roger M O'neill

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 18:43
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/34; B29C65/36; B29C65/3668; B23; B23K; B23K1/00; B23K1/002; B29C65/3604; B29C65/3608; B29C65/3612; B29C66/00; B29C66/003; B29C66/01; B29C66/05; B29C66/10; B29C66/12; B29C66/124; B29C66/1244; B29C66/12445; B29C66/20; B29C66/24; B29C66/242; B29C66/2422; B29C66/24221; B29C66/2424; B29C66/24243; B29C66/24244; B29C66/50; B29C66/51; B29C66/54; B29C66/542; B29C66/80; B29C66/81; B29C66/818; B29C66/8181; B29C66/84; B29C66/849; H; H05; H05B; H05B6/00; H05B6/02; H05B6/36; B29C66/24241; B29L; B29L2031/00; B29L2031/712

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) 1973-12-14 1974-06-15 1974-12-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-12-14 1978-06-15 1978-12-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-12-14 1982-06-15 1982-12-15 $7700.00 Window Closed / Lapsed

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