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US2770135A Expired / Lapsed US ⏱️ 0.0 years remaining

Measuring and mixing spoon

Assignee: Individual
•
Filing: 1954-01-25
•
Granted: 1956-11-13
•
Expires: 1974-01-25
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Abstract

No abstract record available.

Inventors

  • 👤 Winifred B Parvin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 19:47
CPC Classifications
G; G01; G01F; G01F19/00; G01F19/002; Y; Y10; Y10T; Y10T74/00; Y10T74/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US510286A Cited
US597188A Cited
US2165642A Cited
US2645127A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-11-13 1960-05-14 1960-11-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-11-13 1964-05-14 1964-11-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-11-13 1968-05-14 1968-11-13 $7700.00 Window Closed / Lapsed

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