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US1678658A Expired / Lapsed US ⏱️ 0.0 years remaining

Control mechanism

Assignee: SANDS MANUFACTURING Co
•
Filing: 1925-04-06
•
Granted: 1928-07-31
•
Expires: 1945-04-06
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Abstract

No abstract record available.

Inventors

  • 👤 Miley W Thomas
  • 👤 Paul H Hamilton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 15:54
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/024; G05D23/026; G05D23/027

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1931-07-31 1932-01-30 1932-07-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1935-07-31 1936-01-30 1936-07-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1939-07-31 1940-01-30 1940-07-31 $7700.00 Window Closed / Lapsed

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