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US2822202A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Emhart Industries Inc
•
Filing: 1956-01-19
•
Granted: 1958-02-04
•
Expires: 1976-01-19
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Abstract

No abstract record available.

Inventors

  • 👤 Nicholas A Welch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 17:26
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/06; Y; Y10; Y10T; Y10T292/00; Y10T292/06; Y10T292/62

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1661454A Cited
US2250036A Cited
US2299181A Cited
US2719744A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-02-03 1961-08-05 1962-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-02-03 1965-08-05 1966-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-02-03 1969-08-05 1970-02-04 $7700.00 Window Closed / Lapsed

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