← Back to Patent Explorer
US433094A Expired / Lapsed US ⏱️ 0.0 years remaining

Sylvania

Assignee: —
•
Filing: —
•
Granted: 1890-07-29
•
Expires: 1907-07-29
📄 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 2026-10-22 20:40
CPC Classifications
F; F26; F26B; F26B9/00; F26B9/06; F26B9/063

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) 1893-07-28 1894-01-27 1894-07-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1897-07-28 1898-01-27 1898-07-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1901-07-29 1902-01-28 1902-07-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag