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US3023293A Expired / Lapsed US ⏱️ 0.0 years remaining

Constant temperature heater for microtome object discs

Assignee: Individual
•
Filing: 1959-11-16
•
Granted: 1962-02-27
•
Expires: 1979-11-16
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Edwin R Cornish

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 20:37
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/04; G01N1/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1579476A Cited
US1691562A Cited
US2313015A Cited
GB609517A Cited
US2562821A Cited
US2678026A Cited
US2763766A Cited
US2730608A Cited
US2932718A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-02-26 1965-08-28 1966-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-02-26 1969-08-28 1970-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-02-26 1973-08-28 1974-02-27 $7700.00 Window Closed / Lapsed

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