← Back to Patent Explorer
US3485546A Expired / Lapsed US ⏱️ 0.0 years remaining

Field flattener scanning means

Assignee: Xerox Corp
•
Filing: 1967-02-02
•
Granted: 1969-12-23
•
Expires: 1987-02-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Charles T Roth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:00
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/02; H04N3/08

Claims Analysis

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

References Cited (Backward Citations)

DE415908C Cited
US2185221A Cited
US3102162A Cited
US2844648A Cited
US2928952A Cited
US3064077A Cited
US3234843A Cited
US3264480A Cited
US3316348A Cited
US3360659A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-12-22 1973-06-23 1973-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-12-22 1977-06-23 1977-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-12-22 1981-06-23 1981-12-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag