← Back to Patent Explorer
US645137A Expired / Lapsed US ⏱️ 0.0 years remaining

Thread-waxing device for sewing-machines.

Assignee: Individual
•
Filing: 1899-11-11
•
Granted: 1900-03-13
•
Expires: 1919-11-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Walter K Shultz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 22:54
CPC Classifications
B; B05; B05C; B05C3/00; B05C3/02; B05C3/12; B29; B29C; B29C48/00; B29C48/03; B29C48/06; B29C48/25; B29C48/30; B29C48/32; B29C48/34; Y; Y10; Y10S; Y10S118/00; Y10S118/19; Y10S277/00; Y10S277/906

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) 1903-03-13 1903-09-12 1904-03-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1907-03-13 1907-09-12 1908-03-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1911-03-13 1911-09-12 1912-03-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag