← Back to Patent Explorer
US663994A Expired / Lapsed US ⏱️ 0.0 years remaining

Register.

Assignee: RICHARD A PITTACK
•
Filing: 1900-04-25
•
Granted: 1900-12-18
•
Expires: 1920-04-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Irene E Kuhlman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 03:10
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084; F; F24; F24F; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/15

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) 1903-12-18 1904-06-18 1904-12-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1907-12-18 1908-06-18 1908-12-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1911-12-18 1912-06-18 1912-12-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag