← Back to Patent Explorer
US3213501A Expired / Lapsed US ⏱️ 0.0 years remaining

Securing washers

Assignee: Individual
•
Filing: 1963-04-02
•
Granted: 1965-10-26
•
Expires: 1983-04-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Damast David

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 20:34
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; A; A45; A45C; A45C13/00; A45C13/10; Y; Y10; Y10S; Y10S264/00; Y10S264/61; Y10T; Y10T24/00; Y10T24/36; Y10T24/3611; Y10T24/3613; Y10T24/49; Y10T24/492; Y10T24/493; Y10T24/495

Claims Analysis

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

References Cited (Backward Citations)

US807020A Cited
GB191026784A Cited
FR653592A Cited
GB403971A Cited
US2011472A Cited
US2241437A Cited
US2626443A Cited
US2975495A Cited
US2928153A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-25 1969-04-26 1969-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-25 1973-04-26 1973-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-25 1977-04-26 1977-10-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag