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US632466A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1898-11-28
•
Granted: 1899-09-05
•
Expires: 1918-11-28
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Abstract

No abstract record available.

Inventors

  • 👤 Jean A Maignen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:27
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/002; B01D24/004; C; C02; C02F; C02F1/00; C02F1/42

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) 1902-09-05 1903-03-07 1903-09-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1906-09-05 1907-03-07 1907-09-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1910-09-05 1911-03-07 1911-09-06 $7700.00 Window Closed / Lapsed

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