← Back to Patent Explorer
US3533169A Expired / Lapsed US ⏱️ 0.0 years remaining

Hair dryer

Assignee: Westinghouse Electric Corp
•
Filing: 1968-07-05
•
Granted: 1970-10-13
•
Expires: 1988-07-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Myron Swetlitz
  • 👤 James A Richard
  • 👤 Richard F Saurer
  • 👤 Roger D Moates

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 12:56
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/18

Claims Analysis

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

References Cited (Backward Citations)

US3073037A Cited
US3108862A Cited
US3281955A Cited
US3261107A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-10-12 1974-04-13 1974-10-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-10-12 1978-04-13 1978-10-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-10-12 1982-04-13 1982-10-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag