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US2893602A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for measuring aggregate for mixture with asphalt

Assignee: Barber Greene Co
•
Filing: 1955-09-09
•
Granted: 1959-07-07
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Expires: 1975-09-09
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Abstract

No abstract record available.

Inventors

  • 👤 Harry A Barber
  • 👤 James F Sauer
  • 👤 Roy C Heacock

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 13:08
CPC Classifications
B; B01; B01F; B01F35/00; B01F35/80; B01F35/88; B01F35/881; B01F23/00; B01F23/50; B01F23/57; B01F25/00; B01F25/80; B01F25/82; B01F27/00; B01F27/60; B01F27/70; B01F27/701; B01F27/702; B01F33/00; B01F33/80; B01F33/805; B01F33/8051; B01F35/71; B01F35/712; B01F35/717; B01F35/7176; B01F35/71785; B01F35/75; B01F35/754; B01F35/7545; B01F35/894; G; G01; G01G; G01G19/00; G01G19/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US353388A Cited
US976069A Cited
US1063494A Cited
US1297595A Cited
US1647703A Cited
US2037688A Cited
US1980057A Cited
US2373831A Cited
US2525225A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-07-06 1963-01-05 1963-07-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-07-06 1967-01-05 1967-07-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-07-06 1971-01-05 1971-07-07 $7700.00 Window Closed / Lapsed

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