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US3075294A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic centering instrument

Assignee: Individual
•
Filing: 1961-04-28
•
Granted: 1963-01-29
•
Expires: 1981-04-28
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Abstract

No abstract record available.

Inventors

  • 👤 Alfred J Strecker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 07:20
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/22; B23Q17/2233; B23Q17/2275

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US726086A Cited
US863909A Cited
US1063342A Cited
US2220923A Cited
GB644902A Cited
US2847765A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-28 1966-07-30 1967-01-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-28 1970-07-30 1971-01-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-28 1974-07-30 1975-01-29 $7700.00 Window Closed / Lapsed

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