← Back to Patent Explorer
US2578381A Expired / Lapsed US ⏱️ 0.0 years remaining

Sheet metal snap fastener

Assignee: Tinnerman Products Inc
•
Filing: 1948-03-17
•
Granted: 1951-12-11
•
Expires: 1968-03-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 George A Tinnerman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 18:11
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; Y; Y10; Y10S; Y10S220/00; Y10S220/03; Y10T; Y10T24/00; Y10T24/30; Y10T24/304; Y10T24/307; Y10T24/44; Y10T24/44017; Y10T24/44026

Claims Analysis

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

References Cited (Backward Citations)

US2353455A Cited
US2259186A Cited
US2208727A Cited
US2208722A Cited
US2267379A Cited
US2277838A Cited
US2330988A Cited
US2322656A Cited
US2414986A Cited
US2417922A Cited
US2467604A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-12-10 1955-06-11 1955-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-12-10 1959-06-11 1959-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-12-10 1963-06-11 1963-12-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag