Patent US3273146A successfully refreshed from Google Patents.
US3273146A
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Object identifying apparatus
Assignee: General Electric Co
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Filing: 1964-08-07
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Granted: 1966-09-13
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Expires: 1984-08-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry Hurwitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:39
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)
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 |