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US2470368A Expired / Lapsed US ⏱️ 0.0 years remaining

Valve mechanism

Assignee: Adel Precision Products Corp
•
Filing: 1946-06-15
•
Granted: 1949-05-17
•
Expires: 1966-06-15
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Abstract

No abstract record available.

Inventors

  • 👤 Donald D Paxton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 01:05
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/42; F; F17; F17C; F17C7/00; F17C7/02; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0329; F17C2205/0332; F17C2205/0376; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0636; F17C2250/07; F17C2250/072; F17C2260/00; F17C2260/02; F17C2260/028; F17C2260/03; F17C2260/035; F17C2260/036; F17C2260/04; F17C2260/042; F17C2270/00; F17C2270/01; F17C2270/0165; F17C2270/0168; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7835; Y10T137/8593; Y10T137/87169; Y10T137/87233; Y10T137/87241

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1512628A Cited
US1498191A Cited
US1998913A Cited
US2281605A Cited
US2311336A Cited
US2426065A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-05-16 1952-11-15 1953-05-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-05-16 1956-11-15 1957-05-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-05-16 1960-11-15 1961-05-17 $7700.00 Window Closed / Lapsed

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