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US2643655A Expired / Lapsed US ⏱️ 0.0 years remaining

Hypodermic and other syringes or drenchers

Assignee: Individual
•
Filing: 1950-09-12
•
Granted: 1953-06-30
•
Expires: 1970-09-12
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Abstract

No abstract record available.

Inventors

  • 👤 Mckay Augus Conrad

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 16:35
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/20; A61M5/204

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US159192A Cited
US361750A Cited
US515705A Cited
US778879A Cited
US1367008A Cited
US1641976A Cited
US2156023A Cited
US2374368A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-06-29 1956-12-29 1957-06-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-06-29 1960-12-29 1961-06-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-06-29 1964-12-29 1965-06-30 $7700.00 Window Closed / Lapsed

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