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US1466086A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making piston-rod packing

Assignee: Johns Manville Inc
•
Filing: 1920-09-01
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Granted: 1923-08-28
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Expires: 1940-09-01
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Abstract

No abstract record available.

Inventors

  • 👤 Christenson George

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:06
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/20; Y; Y10; Y10S; Y10S277/00; Y10S277/924; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1052; Y10T156/1082

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) 1926-08-27 1927-02-26 1927-08-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1930-08-27 1931-02-26 1931-08-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1934-08-27 1935-02-26 1935-08-28 $7700.00 Window Closed / Lapsed

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