← Back to Patent Explorer
US2103907A Expired / Lapsed US ⏱️ 0.0 years remaining

Time switch

Assignee: General Electric Co
•
Filing: 1937-05-15
•
Granted: 1937-12-28
•
Expires: 1957-05-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 William K Kearsley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 00:33
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/08; H05G1/26; H05G1/30; H05G1/38; H05G1/40

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) 1940-12-27 1941-06-28 1941-12-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1944-12-27 1945-06-28 1945-12-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1948-12-27 1949-06-28 1949-12-28 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag