Patent JPS5530261A successfully refreshed from Google Patents.
Patent US1881102A successfully refreshed from Google Patents.
Patent US4683419A successfully refreshed from Google Patents.
Patent EP0197462A1 successfully refreshed from Google Patents.
Patent US2134859A successfully refreshed from Google Patents.
Patent US2154736A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2154736A Expired / Lapsed US ⏱️ 0.0 years remaining

Combined manifold record sheet and envelope

Assignee: Individual
•
Filing: 1937-04-17
•
Granted: 1939-04-18
•
Expires: 1957-04-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John J Endres

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 10:43
CPC Classifications
B; B42; B42D; B42D5/00; B42D5/02; B42D5/023; B42D5/025

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) 1942-04-17 1942-10-17 1943-04-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-04-17 1946-10-17 1947-04-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-04-17 1950-10-17 1951-04-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag