Patent US5167579A successfully refreshed from Google Patents.
Patent US1024163A successfully refreshed from Google Patents.
← Back to Patent Explorer
US1024163A Expired / Lapsed US ⏱️ 0.0 years remaining

Trap-valve.

Assignee: L A THOMAS
•
Filing: 1911-04-03
•
Granted: 1912-04-23
•
Expires: 1931-04-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Richard H Thomas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:48
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/02; F16T1/10; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4463; Y10T137/4471; Y10T137/4478; Y10T137/4486; Y10T137/7722; Y10T137/7737

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) 1915-04-23 1915-10-23 1916-04-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1919-04-23 1919-10-23 1920-04-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1923-04-23 1923-10-23 1924-04-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag