Patent US2150514A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2416595A Expired / Lapsed US ⏱️ 0.0 years remaining

Photoelectric relay

Assignee: RCA Corp
•
Filing: 1944-03-15
•
Granted: 1947-02-25
•
Expires: 1964-03-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James H Reynolds

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:10
CPC Classifications
B; B67; B67C; B67C3/00; B67C3/007; H; H01; H01H; H01H47/00; H01H47/22; H01H47/24

Claims Analysis

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

References Cited (Backward Citations)

US1998132A Cited
US1972682A Cited
US1992055A Cited
US2150467A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-02-24 1950-08-26 1951-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-02-24 1954-08-26 1955-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-02-24 1958-08-26 1959-02-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag