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US2494754A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1946-04-29
•
Granted: 1950-01-17
•
Expires: 1966-04-29
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Abstract

No abstract record available.

Inventors

  • 👤 Walter B Goughnour

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 07:26
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/24; E05B63/244; E05B85/00; E05B85/20; E05B85/24; E05B85/28; E05C; E05C19/00; E05C19/007; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0961; Y10T292/0962; Y10T292/0964; Y10T292/1014; Y10T292/1022; Y10T292/1028; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1085; Y10T292/68; Y10T292/696; Y10T292/702

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US424238A Cited
US812050A Cited
US1201577A Cited
US1821879A Cited
US1908343A Cited
US2012341A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-01-16 1953-07-18 1954-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-01-16 1957-07-18 1958-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-01-16 1961-07-18 1962-01-17 $7700.00 Window Closed / Lapsed

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