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US3098144A Expired / Lapsed US ⏱️ 0.0 years remaining

Sewage disposal apparatus

Assignee: Airstream Inc
•
Filing: 1961-06-15
•
Granted: 1963-07-16
•
Expires: 1981-06-15
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Abstract

No abstract record available.

Inventors

  • 👤 Emmett O Dale

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 00:12
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/04; E03D9/05; E03D9/052; A; A47; A47K; A47K11/00; A47K11/02; A47K11/023; Y; Y02; Y02A; Y02A50/00; Y02A50/30

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2732564A Cited
US1290615A Cited
US2771533A Cited
US2808495A Cited
US2862095A Cited
US2823626A Cited
US2855494A Cited
US3020559A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-07-15 1967-01-14 1967-07-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-07-15 1971-01-14 1971-07-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-07-15 1975-01-14 1975-07-16 $7700.00 Window Closed / Lapsed

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