Patent US3958569A successfully refreshed from Google Patents.
Patent US4378224A successfully refreshed from Google Patents.
Patent US2466430A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2466430A Expired / Lapsed US ⏱️ 0.0 years remaining

Construction for projection lamps

Assignee: Eastman Kodak Co
•
Filing: 1945-03-31
•
Granted: 1949-04-05
•
Expires: 1965-03-31
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jr Miller R Hutchison

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:45
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/16

Claims Analysis

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

References Cited (Backward Citations)

US1342894A Cited
US2088544A Cited
US2078986A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-04-04 1952-10-04 1953-04-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-04-04 1956-10-04 1957-04-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-04-04 1960-10-04 1961-04-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag