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US3058158A Expired / Lapsed US ⏱️ 0.0 years remaining

Mold for plastic perforated diaphragms

Assignee: Individual
•
Filing: 1961-07-27
•
Granted: 1962-10-16
•
Expires: 1981-07-27
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Abstract

No abstract record available.

Inventors

  • 👤 Elie P Aghnides

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 06:35
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/08; B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/2628; Y; Y10; Y10S; Y10S425/00; Y10S425/037; Y10S425/058

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2369291A Cited
US2415395A Cited
US2541923A Cited
US2477368A Cited
US2890490A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-10-15 1966-04-16 1966-10-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-10-15 1970-04-16 1970-10-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-10-15 1974-04-16 1974-10-16 $7700.00 Window Closed / Lapsed

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