Patent US4521087A successfully refreshed from Google Patents.
Patent US3813652A successfully refreshed from Google Patents.
Patent US4369864A successfully refreshed from Google Patents.
Patent US2495548A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2495548A Expired / Lapsed US ⏱️ 0.0 years remaining

Nursing unit with flow adjustment means

Assignee: Individual
•
Filing: 1947-06-03
•
Granted: 1950-01-24
•
Expires: 1967-06-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Henry J Revane

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 13:54
CPC Classifications
A; A61; A61J; A61J11/00; A61J11/001; A61J11/002; A61J11/04; A61J11/045; Y; Y10; Y10S; Y10S285/00; Y10S285/911

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US131130A Cited
US551792A Cited
US582159A Cited
US2096961A Cited
US1545436A Cited
US2093130A Cited
US2093730A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-01-23 1953-07-25 1954-01-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-01-23 1957-07-25 1958-01-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-01-23 1961-07-25 1962-01-24 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag