← Back to Patent Explorer
US3273146A Expired / Lapsed US ⏱️ 0.0 years remaining

Object identifying apparatus

Assignee: General Electric Co
•
Filing: 1964-08-07
•
Granted: 1966-09-13
•
Expires: 1984-08-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jr Henry Hurwitz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 08:04
CPC Classifications
B; B61; B61L; B61L25/00; B61L25/02; B61L25/04; G; G01; G01S; G01S13/00; G01S13/74; G01S13/75; G01S13/751; G01S13/755

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 54 words
AN OBJECT IDENTIFYING APPARATUS COMPRISING SIGNAL REFLECTING MEANS INCLUDING A PIEZOELECTRIC ELEMENT AND AN ACOUSTIC DELAY LINE HAVING A LENGTH OF SONIC TRANSMITTING MATERIAL WITH REFLECTING ELEMENTS THEREIN AT SPACED LOCATIONS CORRESPONDING TO PREDETERMINED CODING REPRESENTATIVE OF THE IDENTITY OF SAID OBJECT, SAID DELAY LINE BEING MUTUALLY COUPLED TO SAID ELEMENT, MEANS FOR TRANSMITTING
Claim 2
Dependent Claim 54 words
AN OBJECT IDENTIFYING APPARATUS COMPRISING SIGNAL REFLECTING MEANS INCLUDING A PIEZOELECTRIC ELEMENT AND AN ACOUSTIC DELAY LINE HAVING A LENGTH OF SONIC TRANSMITTING MATERIAL WITH REFLECTING ELEMENTS THEREIN AT SPACED LOCATIONS CORRESPONDING TO PREDETERMINED CODING REPRESENTATIVE OF THE IDENTITY OF SAID OBJECT, SAID DELAY LINE BEING MUTUALLY COUPLED TO SAID ELEMENT, MEANS FOR TRANSMITTING

References Cited (Backward Citations)

US2943318A Cited
US2582310A Cited
US2978699A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-12 1970-03-14 1970-09-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-12 1974-03-14 1974-09-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-12 1978-03-14 1978-09-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag