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US3044584A Expired / Lapsed US ⏱️ 0.0 years remaining

Hollow cap screw assembly with displaceable plug

Assignee: Harris Foundry and Machine Co
•
Filing: 1959-05-27
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Granted: 1962-07-17
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Expires: 1979-05-27
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Abstract

No abstract record available.

Inventors

  • 👤 Wallace M Thompson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 16:15
CPC Classifications
F; F16; F16B; F16B23/00; F16B35/00; F16B35/04; Y; Y10; Y10S; Y10S411/00; Y10S411/919; Y10T; Y10T403/00; Y10T403/75

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US337961A Cited
GB189618010A Cited
US791548A Cited
US857295A Cited
US1271408A Cited
US1581096A Cited
US2133409A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-07-16 1966-01-15 1966-07-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-07-16 1970-01-15 1970-07-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-07-16 1974-01-15 1974-07-17 $7700.00 Window Closed / Lapsed

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