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US2932338A Expired / Lapsed US ⏱️ 0.0 years remaining

Double flare tool on a shaft threaded in a sleeve threaded in a support and arranged for two speed advancement of said tool

Assignee: Imperial Brass Manufacturing Co
•
Filing: 1956-04-10
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Granted: 1960-04-12
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Expires: 1976-04-10
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Abstract

No abstract record available.

Inventors

  • 👤 George E Franck

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:38
CPC Classifications
B; B21; B21D; B21D41/00; B21D41/04; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/941; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18672

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

USRE24051E Cited
US658583A Cited
CH62542A Cited
US1752508A Cited
US1909055A Cited
US2444666A Cited
US2313361A Cited
GB546518A Cited
US2497564A Cited
US2532250A Cited
US2595036A Cited
US2526210A Cited
US2774408A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-04-12 1963-10-12 1964-04-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-04-12 1967-10-12 1968-04-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-04-12 1971-10-12 1972-04-12 $7700.00 Window Closed / Lapsed

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