← Back to Patent Explorer
US4190801B1 Expired / Lapsed US ⏱️ 0.0 years remaining

US4190801B1 - - Google Patents

Assignee: ROSEN GERALD D FOR BENEFIT OF CREDITORS OF DELTALAB RESEARCH Inc
•
Filing: 1978-02-06
•
Granted: 1985-04-02
•
Expires: 1998-02-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 13:15
CPC Classifications
H; H03; H03M; H03M3/00; H03M3/02; H03M3/022; H03M3/024

Claims Analysis

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

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-04-01 1988-10-01 1989-04-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-04-01 1992-10-01 1993-04-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-04-01 1996-10-01 1997-04-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag