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US3195548A Expired / Lapsed US ⏱️ 0.0 years remaining

Sewer pipe opener

Assignee: Individual
•
Filing: 1964-01-16
•
Granted: 1965-07-20
•
Expires: 1984-01-16
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Abstract

No abstract record available.

Inventors

  • 👤 Christy N Lestakis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 05:54
CPC Classifications
E; E03; E03F; E03F9/00; B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/043; B08B9/0433; B08B2209/00; B08B2209/02; B08B2209/027; B08B2209/04; B08B2209/045

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CA678206A Cited
US335608A Cited
US271358A Cited
US1235878A Cited
US1469528A Cited
US1513228A Cited
US1796878A Cited
US2221775A Cited
GB727621A Cited
US2810143A Cited
US2755810A Cited
US2960924A Cited
US3086540A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-19 1969-01-18 1969-07-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-19 1973-01-18 1973-07-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-19 1977-01-18 1977-07-20 $7700.00 Window Closed / Lapsed

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