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US3034266A Expired / Lapsed US ⏱️ 0.0 years remaining

Metallographic polishing

Assignee: Individual
•
Filing: 1958-10-03
•
Granted: 1962-05-15
•
Expires: 1978-10-03
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Abstract

No abstract record available.

Inventors

  • 👤 Grubb Kjeld Tue
  • 👤 Grubb Bendt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 09:35
CPC Classifications
B; B24; B24B; B24B1/00; B24D; B24D11/00; B24D11/001; B24D11/005

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US115293A Cited
US2403821A Cited
US2734289A Cited
US1227622A Cited
US1332896A Cited
US1873503A Cited
US2237344A Cited
US2468853A Cited
US2598090A Cited
US2714571A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-05-14 1965-11-13 1966-05-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-05-14 1969-11-13 1970-05-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-05-14 1973-11-13 1974-05-15 $7700.00 Window Closed / Lapsed

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