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US2720855A Expired / Lapsed US ⏱️ 0.0 years remaining

Ferrule heating unit for a lead wire ferrule brazing machine

Assignee: Westinghouse Electric Corp
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Filing: 1951-11-27
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Granted: 1955-10-18
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Expires: 1971-11-27
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Abstract

No abstract record available.

Inventors

  • 👤 George D Brent
  • 👤 Ernest K Bee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 20:02
CPC Classifications
H; H01; H01K; H01K3/00; H01K3/28; H01J; H01J9/00; H01J9/24; H01J9/30

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2050088A Cited
US2069386A Cited
US2082080A Cited
US2237186A Cited
US2297950A Cited
US2531015A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-10-17 1959-04-18 1959-10-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-10-17 1963-04-18 1963-10-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-10-17 1967-04-18 1967-10-18 $7700.00 Window Closed / Lapsed

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