Patent US20100298931A1 successfully refreshed from Google Patents.
US3169242A
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Identification interrogating system
Assignee: General Electric Co
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Filing: 1963-03-19
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Granted: 1965-02-09
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Expires: 1983-03-19
Abstract
No abstract record available.
Inventors
- 👤 Richard K Davis
- 👤 Francis M Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:55
CPC Classifications
B; B61; B61L; B61L1/00; B61L25/00; B61L25/02; B61L25/04; B61L25/045; G; G06; G06F; G06F30/00; B61L17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
AN IDENTIFICATION INTERROGATION SYSTEM COMPRISING A SIGNAL REPEATING DEVICE ASSOCIATED WITH EACH OBJECT TO BE IDENTIFIED HAVING A PLURALITY OF SELECTIVELY CONNECTED PIEZOELECTRIC ELEMENTS, EACH OF A DIFFERENT PRESELECTED FREQUENCY RESPONSE, AND MEANS FOR INTERROGATING SAID SIGNAL REPEATING DEVICE TO OBTAIN A RESPONSE OF TIMED FREQUENCY IDENTIFIED SIGNALS.
Claim 2
Dependent Claim
48 words
AN IDENTIFICATION INTERROGATION SYSTEM COMPRISING A SIGNAL REPEATING DEVICE ASSOCIATED WITH EACH OBJECT TO BE IDENTIFIED HAVING A PLURALITY OF SELECTIVELY CONNECTED PIEZOELECTRIC ELEMENTS, EACH OF A DIFFERENT PRESELECTED FREQUENCY RESPONSE, AND MEANS FOR INTERROGATING SAID SIGNAL REPEATING DEVICE TO OBTAIN A RESPONSE OF TIMED FREQUENCY IDENTIFIED SIGNALS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |