← Back to Patent Explorer
US699630A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of recording messages, signals, & c.

Assignee: AMERICAN TELEGRAPHONE Co
•
Filing: 1900-03-09
•
Granted: 1902-05-06
•
Expires: 1920-03-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Peder Oluf Pedersen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:25
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/008; G11B5/00804; G11B2220/00; G11B2220/90

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) 1905-05-05 1905-11-04 1906-05-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1909-05-05 1909-11-04 1910-05-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1913-05-05 1913-11-04 1914-05-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag