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US2883985A Expired / Lapsed US ⏱️ 0.0 years remaining

Medical appliance

Assignee: Sterilon Corp
•
Filing: 1956-08-31
•
Granted: 1959-04-28
•
Expires: 1976-08-31
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Abstract

No abstract record available.

Inventors

  • 👤 Robert P Evans

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 02:44
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/4404; A61F5/4405; Y; Y10; Y10S; Y10S128/00; Y10S128/24

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE4571C Cited
US1178644A Cited
US1672748A Cited
FR912396A Cited
US2503284A Cited
US2702034A Cited
US2757669A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-04-27 1962-10-27 1963-04-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-04-27 1966-10-27 1967-04-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-04-27 1970-10-27 1971-04-28 $7700.00 Window Closed / Lapsed

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