Patent US3778428A successfully refreshed from Google Patents.
Patent US2498079A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2498079A Expired / Lapsed US ⏱️ 0.0 years remaining

Tilting mechanism for venetian blinds

Assignee: Hunter Douglas Inc
•
Filing: 1945-03-24
•
Granted: 1950-02-21
•
Expires: 1965-03-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Joseph L Hunter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 08:07
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/303; E06B9/307; E06B2009/285

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US2233294A Cited
US2108939A Cited
US2201670A Cited
US2276438A Cited
US2223404A Cited
US2372601A Cited
US2269213A Cited
US2376813A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-02-20 1953-08-22 1954-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-02-20 1957-08-22 1958-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-02-20 1961-08-22 1962-02-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag