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US997372A Expired / Lapsed US ⏱️ 0.0 years remaining

Cone-aspirator.

Assignee: Barnard and Leas Manufacturing Co Inc
•
Filing: 1911-01-27
•
Granted: 1911-07-11
•
Expires: 1931-01-27
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Abstract

No abstract record available.

Inventors

  • 👤 John B Cornwall

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:04
CPC Classifications
B; B07; B07B; B07B4/00; B07B4/02

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) 1914-07-10 1915-01-09 1915-07-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1918-07-10 1919-01-09 1919-07-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1922-07-10 1923-01-09 1923-07-11 $7700.00 Window Closed / Lapsed

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