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US3079926A Expired / Lapsed US ⏱️ 0.0 years remaining

Filters

Assignee: HARRY R LITCHFIELD
•
Filing: 1958-10-24
•
Granted: 1963-03-05
•
Expires: 1978-10-24
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Abstract

No abstract record available.

Inventors

  • 👤 Harry R Litchfield
  • 👤 Jacob J Schneider

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:26
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/04; A24D3/045

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 24 words
A FILTER COMPONENT FOR THE PURPOSES DESCRIBED COMPRISING THE FRAGMENTED LUNG TISSUE OF ANIMALS SELECTED FROM THE GROUP CONSISTING OF FOWL, CALVES, BEEF, SHEEP
Claim 2
Dependent Claim 24 words
A FILTER COMPONENT FOR THE PURPOSES DESCRIBED COMPRISING THE FRAGMENTED LUNG TISSUE OF ANIMALS SELECTED FROM THE GROUP CONSISTING OF FOWL, CALVES, BEEF, SHEEP

References Cited (Backward Citations)

GB440316A Cited
US2815760A Cited
US2798850A Cited
FR1083502A Cited
GB755479A Cited
US2804874A Cited
US2780228A Cited
US2764513A Cited
US2770241A Cited
CH329353A Cited
US2928399A Cited
US2795227A Cited
US2883990A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-03-04 1966-09-03 1967-03-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-03-04 1970-09-03 1971-03-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-03-04 1974-09-03 1975-03-05 $7700.00 Window Closed / Lapsed

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