Patent USRE27650E successfully refreshed from Google Patents.
USRE27650E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the display and recordation of signals
Assignee: —
•
Filing: 1971-04-05
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Granted: 1973-05-29
•
Expires: 1991-04-05
Abstract
Abstract THE PRESENT INVENTION PROVIDES APPARATUS AND METHODS FOR SIGNAL DISPLAY AND RECORDATION BY EMPLOYING THE SIGNAL CARRYING THE INFORMATION TO BE DISPLAYED AS A MODULATING SIGNAL FOR A LIGHT-EMITTING SOURCE. THE SYSTEM OF THE PRESENT INVENTION PROVIDES FOR THE DISPOSITION OF THE LIGHT EMITTED RESPONSIVE TO THE SIGNAL AND APPLIED THERETO TO BE SPATIALLY CORRELATED ON A DISPLAY SURFACE TO THE AREA OF EMANATION OF SUCH SIGNAL. THE PRESENT INVENTION CONTEMPLATES THE INITIATING SIGNAL TO BE AN ULTRASONIC SIGNAL.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:38
CPC Classifications
G; G01; G01S; G01S15/00; G01S15/88; G01S15/89; G01S15/8906; G01S15/8965; G01S15/8968; A; A61; A61B; A61B5/00; A61B5/08; A61B8/00; G01N; G01N29/00; G01N29/04; G01N29/06; G01N29/0609; G01N29/0618; G01N29/0636; G01S7/00; G01S7/52; G01S7/56; G01S7/60
Claims Analysis
Total Claims: 0
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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) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |