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US2876764A Expired / Lapsed US ⏱️ 0.0 years remaining

Ultrasonic treatment apparatus

Assignee: Siemens Reiniger Werke AG
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Filing: 1955-08-31
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Granted: 1959-03-10
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Expires: 1975-08-31
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Abstract

No abstract record available.

Inventors

  • 👤 Guttner Werner
  • 👤 Pickel Gunter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:10
CPC Classifications
A; A61; A61H; A61H23/00; A61H23/02; A61H23/0245

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE349109C Cited
US2059248A Cited
US2072189A Cited
GB477096A Cited
FR946428A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-03-09 1962-09-08 1963-03-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-03-09 1966-09-08 1967-03-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-03-09 1970-09-08 1971-03-10 $7700.00 Window Closed / Lapsed

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