← Back to Patent Explorer
US321646A Expired / Lapsed US ⏱️ 0.0 years remaining

Maker

Assignee: —
•
Filing: —
•
Granted: 1885-07-07
•
Expires: 1902-07-07
📄 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 2026-10-23 19:39
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/32

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) 1888-07-06 1889-01-05 1889-07-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1892-07-06 1893-01-05 1893-07-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1896-07-06 1897-01-05 1897-07-07 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag