← Back to Patent Explorer
US2405977A Expired / Lapsed US ⏱️ 0.0 years remaining

Film manufacture

Assignee: EIDP Inc
•
Filing: 1943-09-02
•
Granted: 1946-08-20
•
Expires: 1963-09-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Peters Franklin Traviss

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 04:31
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/911; B29C48/9135; B29C48/914; B29C48/03; B29C48/07; B29C48/08; B29C48/91

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) 1949-08-19 1950-02-18 1950-08-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1953-08-19 1954-02-18 1954-08-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1957-08-19 1958-02-18 1958-08-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag