← Back to Patent Explorer
GB538517A Expired / Lapsed GB ⏱️ 0.0 years remaining

Joint ring

Assignee: HAROLD O HARA
•
Filing: 1940-01-29
•
Granted: —
•
Expires: 1960-01-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract 538,517. Pipe joints. O'HARA, H. Jan. 29, 1940, No. 1724. [Class 99 (i)] [Also in Group XXVI] A steel, phosphor bronze or other hard, resilient metal ring A of elliptical cross-section and frusto-conical form is housed in a recess B formed between the pipe flanges. The ends of the ring abut against relatively inclined surfaces C, D and 9, 10 of the flanges.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction GB
Data Source google_patents
Last Synchronized 2026-10-23 04:10
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/16; F16L23/18; F16L23/20

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

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag