← Back to Patent Explorer
US3033074A Expired / Lapsed US ⏱️ 0.0 years remaining

Film guide structure for cinemato-graphic apparatus

Assignee: Individual
•
Filing: 1956-12-21
•
Granted: 1962-05-08
•
Expires: 1976-12-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Schaefer Knut

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 01:59
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/56

Claims Analysis

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

References Cited (Backward Citations)

US1594895A Cited
US2103369A Cited
US2051206A Cited
US2126341A Cited
GB510529A Cited
US2319530A Cited
US2352181A Cited
US2327776A Cited
GB673065A Cited
US2526647A Cited
US2490920A Cited
US2703034A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-05-07 1965-11-06 1966-05-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-05-07 1969-11-06 1970-05-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-05-07 1973-11-06 1974-05-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag