Patent US3107340A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3107340A Expired / Lapsed US ⏱️ 0.0 years remaining

Remote signal systems

Assignee: Westinghouse Electric Corp
•
Filing: 1957-07-09
•
Granted: 1963-10-15
•
Expires: 1977-07-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Sheldon D Silliman
  • 👤 Willard A Derr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:37
CPC Classifications
G; G08; G08B; G08B26/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 100 words
IN A REMOTE INDICATION SYSTEM FOR A PLURALITY OF DEVICES HAVING TWO OPERATING POSITIONS, SENDING MEANS OPERABLE TO PRODUCE TWO DIFFERENT SIGNALS, POSITIONAL MEANS OPERATED IN ACCORDANCE WITH THE POSITION OF EACH DEVICE, COUNTING MEANS, MEANS INCLUDING THE COUNTING MEANS AND THE POSITIONAL MEANS CONNECTING THE SENDING MEANS TO EFFECT A SCANNING OPERATION OF THE POSITIONS OF SAID DEVICES AND EFFECT OPERATION OF THE SENDING MEANS TO TRANSMIT ONE OF SAID SIGNALS FOR EACH OF THE DEVICES DEPENDING ON THE POSITION THEREOF, AND CHECK MEANS OPERABLE AT PREDETERMINED POINTS IN THE SCANNING OPERATION TO SEND A SYNCHRONIZATION CHECK SIGNAL COMPRISING
Claim 2
Dependent Claim 100 words
IN A REMOTE INDICATION SYSTEM FOR A PLURALITY OF DEVICES HAVING TWO OPERATING POSITIONS, SENDING MEANS OPERABLE TO PRODUCE TWO DIFFERENT SIGNALS, POSITIONAL MEANS OPERATED IN ACCORDANCE WITH THE POSITION OF EACH DEVICE, COUNTING MEANS, MEANS INCLUDING THE COUNTING MEANS AND THE POSITIONAL MEANS CONNECTING THE SENDING MEANS TO EFFECT A SCANNING OPERATION OF THE POSITIONS OF SAID DEVICES AND EFFECT OPERATION OF THE SENDING MEANS TO TRANSMIT ONE OF SAID SIGNALS FOR EACH OF THE DEVICES DEPENDING ON THE POSITION THEREOF, AND CHECK MEANS OPERABLE AT PREDETERMINED POINTS IN THE SCANNING OPERATION TO SEND A SYNCHRONIZATION CHECK SIGNAL COMPRISING

References Cited (Backward Citations)

US1749553A Cited
US1790189A Cited
US1806262A Cited
US2135794A Cited
US2205894A Cited
US2276646A Cited
US2339872A Cited
US2408037A Cited
US2607843A Cited
US2623939A Cited
US2670463A Cited
US2679637A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-10-14 1967-04-15 1967-10-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-10-14 1971-04-15 1971-10-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-10-14 1975-04-15 1975-10-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag