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US2635899A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1948-03-23
•
Granted: 1953-04-21
•
Expires: 1968-03-23
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Abstract

No abstract record available.

Inventors

  • 👤 Jr John William Osbon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 00:11
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/02; Y; Y10; Y10S; Y10S297/00; Y10S297/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1307668A Cited
US972100A Cited
US1138582A Cited
US1219295A Cited
US1300364A Cited
US1285909A Cited
US1775240A Cited
US1924496A Cited
US2244122A Cited
US2295006A Cited
US2322683A Cited
US2427782A Cited
US2469359A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-04-20 1956-10-20 1957-04-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-04-20 1960-10-20 1961-04-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-04-20 1964-10-20 1965-04-21 $7700.00 Window Closed / Lapsed

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