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US2575635A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotary brush

Assignee: George J Meyer Manufacturing Co
•
Filing: 1945-04-04
•
Granted: 1951-11-20
•
Expires: 1965-04-04
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Abstract

No abstract record available.

Inventors

  • 👤 George T Meyer
  • 👤 Dreher Otto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 07:51
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/08; B08B9/20; B08B9/36

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US619134A Cited
US1308195A Cited
US776798A Cited
US991876A Cited
US1597997A Cited
US1934249A Cited
US1928066A Cited
US2205195A Cited
US2256983A Cited
US2200176A Cited
US2372933A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-11-19 1955-05-21 1955-11-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-11-19 1959-05-21 1959-11-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-11-19 1963-05-21 1963-11-20 $7700.00 Window Closed / Lapsed

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