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US3546716A Expired / Lapsed US ⏱️ 0.0 years remaining

Disposable bedpan liner

Assignee: DAVID H E LAUMANN
•
Filing: 1968-06-19
•
Granted: 1970-12-15
•
Expires: 1988-06-19
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Abstract

No abstract record available.

Inventors

  • 👤 David H E Laumann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 01:15
CPC Classifications
A; A61; A61G; A61G9/00; A61G9/003; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB898903A Cited
US3115644A Cited
US3377631A Cited
US3418663A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-12-14 1974-06-15 1974-12-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-12-14 1978-06-15 1978-12-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-12-14 1982-06-15 1982-12-15 $7700.00 Window Closed / Lapsed

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