← Back to Patent Explorer
US3605304A Expired / Lapsed US ⏱️ 0.0 years remaining

Film strip equipment

Assignee: Professional Film Services Inc
•
Filing: 1968-04-03
•
Granted: 1971-09-20
•
Expires: 1988-04-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A COMBINATION OF A FILM STRIP HOLDER AND INFORMATION SHEET THEREFOR INCLUDING A PAGE WHICH IS ADAPTED TO BE RECEIVED IN A LOOSE-LEAF BINDER OR THE LIKE. A TRANSPARENT POCKET IS AFFIXED TO ONE EDGE OF THE PAGE AND IT RECEIVES A FILM STRIP HAVING A PLURALITY OF FRAMES. RESPECTIVE PIECES OF DATA RELATING TO THE INDIVIDUAL FRAMES ARE ON THE PAGE AND KEYING MEANS IS PROVIDED TO CORRELATE EACH ONE OF THE PIECES OF DATA TO THE ASSOCIATED FRAME. THE INVENTION FURTHER INCLUDES MEANS FOR VIEWING THE STRIP OF FILM.

Inventors

  • 👤 Marcel Broekman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 19:51
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/64

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) 1974-09-19 1975-03-21 1975-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-19 1979-03-21 1979-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-19 1983-03-21 1983-09-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag