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US3518164A Expired / Lapsed US ⏱️ 0.0 years remaining

Diagnostic sputum collection system

Assignee: B D LAB Inc
•
Filing: 1967-04-11
•
Granted: 1970-06-30
•
Expires: 1987-04-11
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Abstract

No abstract record available.

Inventors

  • 👤 John Philip Andelin
  • 👤 Jay H Moody

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:38
CPC Classifications
A; A61; A61J; A61J19/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2112465A Cited
US2218002A Cited
US2835246A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-06-29 1973-12-29 1974-06-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-06-29 1977-12-29 1978-06-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-06-29 1981-12-29 1982-06-30 $7700.00 Window Closed / Lapsed

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