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US2927372A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for forming close tolerance tubing and articles thereon

Assignee: EASTWOOD ACCEPTANCE CORP
•
Filing: 1955-05-31
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Granted: 1960-03-08
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Expires: 1975-05-31
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Abstract

No abstract record available.

Inventors

  • 👤 Vernon R Powell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 17:56
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/30; B21C1/00; B21C1/16; B21C1/22; B21C1/24; Y; Y10; Y10S; Y10S29/00; Y10S29/042

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1295430A Cited
US1827766A Cited
US2056689A Cited
US2049577A Cited
US2051948A Cited
US2108790A Cited
US2051949A Cited
US2336524A Cited
US2522780A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-03-08 1963-09-07 1964-03-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-03-08 1967-09-07 1968-03-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-03-08 1971-09-07 1972-03-08 $7700.00 Window Closed / Lapsed

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