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US2832386A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: VAN WOOD Manufacturing CO Inc
•
Filing: 1953-08-31
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Granted: 1958-04-29
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Expires: 1973-08-31
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Abstract

No abstract record available.

Inventors

  • 👤 Leonard Van Dalen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 21:05
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/10; B23B51/104; Y; Y10; Y10T; Y10T408/00; Y10T408/86; Y10T408/87; Y10T408/8725; Y10T408/8734

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US468857A Cited
CA460120A Cited
US104335A Cited
US108837A Cited
US127209A Cited
US298248A Cited
US488701A Cited
US52174A Cited
US80915A Cited
US679693A Cited
US835125A Cited
GB191117756A Cited
US1263698A Cited
US2655964A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-04-28 1961-10-28 1962-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-04-28 1965-10-28 1966-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-04-28 1969-10-28 1970-04-29 $7700.00 Window Closed / Lapsed

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