← Back to Patent Explorer
US578921A Expired / Lapsed US ⏱️ 0.0 years remaining

Feed e

Assignee: —
•
Filing: —
•
Granted: 1897-03-16
•
Expires: 1914-03-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 18:19
CPC Classifications
B; B62; B62K; B62K15/00; B62K15/006; B62K15/008; A; A01; A01K; A01K87/00; A01K87/02; A47; A47B; A47B3/00; A47B3/08; A47B3/091; A47B3/0911; A47B3/0912; B62K19/00; B62K19/02; B62K19/04; B62K19/06; B62K19/18; B62K19/24; B62K3/00; B62K3/02; B62K3/04; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32393

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) 1900-03-16 1900-09-15 1901-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1904-03-16 1904-09-15 1905-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1908-03-16 1908-09-15 1909-03-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag