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US2273185A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for securing valve stems to rubber tubes

Assignee: Aerojet Rocketdyne Holdings Inc
•
Filing: 1938-08-27
•
Granted: 1942-02-17
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Expires: 1958-08-27
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Abstract

No abstract record available.

Inventors

  • 👤 Max L Engler
  • 👤 Walter J Breth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 04:58
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/78; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/13; B29C66/131; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/63; B29C66/70; B29C66/71; B29K; B29K2021/00; B29L; B29L2023/00; B29L2023/24; B29L2023/245; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1304; Y10T156/1309; Y10T83/00; Y10T83/384; Y10T83/395

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1945-02-16 1945-08-18 1946-02-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-02-16 1949-08-18 1950-02-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-02-16 1953-08-18 1954-02-17 $7700.00 Window Closed / Lapsed

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