← Back to Patent Explorer
US663405A Expired / Lapsed US ⏱️ 0.0 years remaining

Keyboard.

Assignee: STENOTYPE Co
•
Filing: 1896-11-25
•
Granted: 1900-12-11
•
Expires: 1916-11-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 George Gillespie Allen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 12:10
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/01; G06F3/02; G06F3/0202; G06F3/0219

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) 1903-12-11 1904-06-11 1904-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1907-12-11 1908-06-11 1908-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1911-12-11 1912-06-11 1912-12-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag