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US3340175A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for fluid treatment

Assignee: EDWARD D DINOVA
•
Filing: 1965-08-26
•
Granted: 1967-09-05
•
Expires: 1985-08-26
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Abstract

No abstract record available.

Inventors

  • 👤 Charles W Mehl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 19:46
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/463

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US398101A Cited
US892486A Cited
US961924A Cited
US1392524A Cited
US1541947A Cited
US1746964A Cited
US2036949A Cited
GB487595A Cited
US2259046A Cited
US2864750A Cited
US3192142A Cited
US3192146A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-09-04 1971-03-06 1971-09-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-09-04 1975-03-06 1975-09-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-09-04 1979-03-06 1979-09-05 $7700.00 Window Closed / Lapsed

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