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US2447535A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1944-11-28
•
Granted: 1948-08-24
•
Expires: 1964-11-28
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Abstract

No abstract record available.

Inventors

  • 👤 Robinson Joseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:41
CPC Classifications
B; B65; B65D; B65D39/00; B65D39/08; B65D39/082; B65D39/084; Y; Y10; Y10S; Y10S29/00; Y10S29/034; Y10S411/00; Y10S411/924; Y10S411/947; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49925; Y10T29/49927; Y10T29/49929

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1822114A Cited
US2023977A Cited
US1830939A Cited
US1982144A Cited
US2194147A Cited
US2050942A Cited
US2084007A Cited
US2131978A Cited
US2137999A Cited
US2369895A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-08-24 1952-02-23 1952-08-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-08-24 1956-02-23 1956-08-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-08-24 1960-02-23 1960-08-24 $7700.00 Window Closed / Lapsed

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