← Back to Patent Explorer
US1001997A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic gas-valve.

Assignee: Individual
•
Filing: 1910-11-07
•
Granted: 1911-08-29
•
Expires: 1930-11-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Leland Scott

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:34
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/12; F24C3/126; Y; Y10; Y10S; Y10S137/00; Y10S137/905; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87845; Y10T137/87917; Y10T137/88022; Y10T137/8803

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) 1914-08-28 1915-02-27 1915-08-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1918-08-28 1919-02-27 1919-08-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1922-08-28 1923-02-27 1923-08-29 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag