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US2565081A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for operating hypodermic syringes

Assignee: EMMA C MAYNES
•
Filing: 1948-09-15
•
Granted: 1951-08-21
•
Expires: 1968-09-15
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Abstract

No abstract record available.

Inventors

  • 👤 Hyla F Maynes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:10
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31525; A61M5/20; A61M5/2033; A61M5/31533; A61M5/31545; A61M5/31548; A61M5/3155; A61M5/31551; A61M5/31565; A61M5/3159; A61M5/31591; A61M2005/2006; A61M2005/202; A61M5/206; A61M5/31576; A61M5/31578; A61M5/46

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1320536A Cited
US938597A Cited
FR505931A Cited
FR539092A Cited
FR579240A Cited
GB214232A Cited
US1718596A Cited
US1921034A Cited
FR770998A Cited
US2047010A Cited
US2295849A Cited
US2347179A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-08-20 1955-02-19 1955-08-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-08-20 1959-02-19 1959-08-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-08-20 1963-02-19 1963-08-21 $7700.00 Window Closed / Lapsed

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