← Back to Patent Explorer
US1920730A Expired / Lapsed US ⏱️ 0.0 years remaining

Windshield wiper

Assignee: Individual
•
Filing: 1931-06-12
•
Granted: 1933-08-01
•
Expires: 1951-06-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John F Wiseman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 22:02
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/46; B60S1/48; B60S1/50; B60S1/52; B60S1/522; B60S1/524

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) 1936-07-31 1937-01-30 1937-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1940-07-31 1941-01-30 1941-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1944-07-31 1945-01-30 1945-08-01 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag