← Back to Patent Explorer
US653279A Expired / Lapsed US ⏱️ 0.0 years remaining

Pipe-fitting and method of making same.

Assignee: Individual
•
Filing: 1900-01-13
•
Granted: 1900-07-10
•
Expires: 1920-01-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Friedrich Wilhelm Barthels

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:37
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/02; F16L41/021; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49442

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) 1903-07-10 1904-01-09 1904-07-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1907-07-10 1908-01-09 1908-07-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1911-07-10 1912-01-09 1912-07-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag