← Back to Patent Explorer
US2325469A Expired / Lapsed US ⏱️ 0.0 years remaining

Piping element

Assignee: Individual
•
Filing: 1939-09-05
•
Granted: 1943-07-27
•
Expires: 1959-09-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Boissou Pierre

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 12:37
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/08; B; B28; B28B; B28B21/00; B28B21/56; B28B21/60; F16L17/00; F16L17/02; F16L17/03; F16L17/035; F16L25/00; F16L25/0027

Claims Analysis

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

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1946-07-26 1947-01-25 1947-07-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1950-07-26 1951-01-25 1951-07-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1954-07-26 1955-01-25 1955-07-27 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag