Patent US4769881A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2588067A Expired / Lapsed US ⏱️ 0.0 years remaining

Identification card

Assignee: Whitehead & Co Inc
•
Filing: 1950-10-28
•
Granted: 1952-03-04
•
Expires: 1970-10-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Whitehead Ned

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:19
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/30; B42D25/309; B42D25/20; B42D25/23; B42D25/355; B42D25/40; B42D25/405; B42D25/415; B42D25/45; B42D25/455; B42D25/46; Y; Y10; Y10S; Y10S283/00; Y10S283/904; Y10S428/00; Y10S428/916

Claims Analysis

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

References Cited (Backward Citations)

US2088567A Cited
US2361670A Cited
US2545804A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-03-04 1955-09-03 1956-03-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-03-04 1959-09-03 1960-03-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-03-04 1963-09-03 1964-03-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag