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US2513797A Expired / Lapsed US ⏱️ 0.0 years remaining

Skin opener

Assignee: Individual
•
Filing: 1946-08-16
•
Granted: 1950-07-04
•
Expires: 1966-08-16
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph A Hassan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 14:39
CPC Classifications
C; C14; C14B; C14B1/00; C14B1/02; C14B1/04; C14B2700/00; C14B2700/01; C14B2700/016; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/936; Y10S83/939; Y10T; Y10T83/00; Y10T83/727; Y10T83/739; Y10T83/768; Y10T83/7684; Y10T83/7722; Y10T83/7726; Y10T83/7793

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE309991C Cited
US541304A Cited
US589444A Cited
US1298005A Cited
US1854426A Cited
US1919899A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-07-03 1954-01-02 1954-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-07-03 1958-01-02 1958-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-07-03 1962-01-02 1962-07-04 $7700.00 Window Closed / Lapsed

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