Patent US2835993A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2835993A Expired / Lapsed US ⏱️ 0.0 years remaining

Identification card

Assignee: Individual
•
Filing: 1954-03-31
•
Granted: 1958-05-27
•
Expires: 1974-03-31
📄 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 23:30
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G07F7/086; B; B42; B42D; B42D25/00; B42D25/40; B42D25/45; B42D25/20; B42D25/23; B42D25/30; B42D25/309; B42D25/36; B42D25/369; B42D2033/04; B42D2033/10; B42D2033/16; B42D2033/20; B42D2035/02; B42D2035/06; B42D2035/08; B42D2035/16; B42D25/455; B42D25/46; Y; Y10; Y10S; Y10S283/00; Y10S283/904; Y10S428/00; Y10S428/90

Claims Analysis

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

References Cited (Backward Citations)

US685405A Cited
FR664251A Cited
GB540600A Cited
US2556825A Cited
US2547838A Cited
US2588067A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-05-26 1961-11-25 1962-05-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-05-26 1965-11-25 1966-05-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-05-26 1969-11-25 1970-05-27 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag