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US1966618A Expired / Lapsed US ⏱️ 0.0 years remaining

Contour and depth gauge

Assignee: FRANK N MARIANI
•
Filing: 1932-05-09
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Granted: 1934-07-17
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Expires: 1952-05-09
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Abstract

No abstract record available.

Inventors

  • 👤 Egorenkov Vasily

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 15:28
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/24; B23Q35/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1937-07-16 1938-01-15 1938-07-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1941-07-16 1942-01-15 1942-07-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1945-07-16 1946-01-15 1946-07-17 $7700.00 Window Closed / Lapsed

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