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US2692503A Expired / Lapsed US ⏱️ 0.0 years remaining

Pipette

Assignee: OI Glass Inc
•
Filing: 1952-07-09
•
Granted: 1954-10-26
•
Expires: 1972-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 Harry G Crecelius

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:32
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/021; B01L3/0213; B01L2200/00; B01L2200/08; B01L2200/085

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1791829A Cited
US2348831A Cited
US2376231A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-10-25 1958-04-26 1958-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-10-25 1962-04-26 1962-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-10-25 1966-04-26 1966-10-26 $7700.00 Window Closed / Lapsed

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