Patent US2350912A successfully refreshed from Google Patents.
← Back to Patent Explorer
US973211A Expired / Lapsed US ⏱️ 0.0 years remaining

Valve mechanism for air-compressors.

Assignee: REYNOLDS ICE MACHINE Co
•
Filing: 1907-03-25
•
Granted: 1910-10-18
•
Expires: 1927-03-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 George H Reynolds

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:04
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/067; F16K15/063; F16K47/00; F16K47/01; F16K47/011; F16K47/0111; F16K2200/00; F16K2200/30; F16K2200/302; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7722; Y10T137/7837; Y10T137/785; Y10T137/7852; Y10T137/7904; Y10T137/7922; Y10T137/7929

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) 1913-10-17 1914-04-18 1914-10-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1917-10-17 1918-04-18 1918-10-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1921-10-17 1922-04-18 1922-10-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag