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US1179157A Expired / Lapsed US ⏱️ 0.0 years remaining

Filter and grease-extractor.

Assignee: Individual
•
Filing: 1915-07-06
•
Granted: 1916-04-11
•
Expires: 1935-07-06
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Abstract

No abstract record available.

Inventors

  • 👤 Carl F Braun

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 00:18
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/11; B01D29/13; B01D29/15

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) 1919-04-11 1919-10-11 1920-04-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1923-04-11 1923-10-11 1924-04-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1927-04-11 1927-10-11 1928-04-11 $7700.00 Window Closed / Lapsed

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