US3713987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for recovering matter adhered to a host surface
Assignee: National Aeronautics and Space Administration
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Filing: 1970-10-07
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Granted: 1973-01-30
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Expires: 1990-10-07
Abstract
Abstract AN APPARATUS PARTICULARLY SUITED FOR RECOVERING MATTER ADHERED TO A HOST SURFACE. THE APARATUS IS CHARACTERIZED BY A PICKUUP HEAD HAVING AN ULTRASONIC TRANSDUCER ADAPTED TO DELIVER ULTRASONIC PRESSURE WAVES TO IMPINGE AGAINST MATTER ADHERED TO THE SURFACE FOR THUS AGITATING THE MATTER TO EFFECT ITS SEPARATION FROM THE SURFACE, AND AN INTEGRALLY RELATED VACUUM SYSTEM WHICH SERVES TO RECOVER THE SEPARATED MATTER AND DELIVER SUCH MATTER TO A CATCH BASIN WHEREIN THE MATTER IS ENTRAPPED TO BE RECOVERED FOR EXAMINATION AND/OR DISPOSAL.
Inventors
- 👤 G Low
- 👤 W Paik
- 👤 C Chapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:11
CPC Classifications
C; C12; C12M; C12M41/00; C12M41/30; C12M41/36; B; B08; B08B; B08B7/00; B08B7/02; B08B7/026; B08B7/028; G; G01; G01N; G01N1/00; G01N1/02; G01N2001/028; G01N1/28; G01N1/40; G01N1/4077; G01N2001/4094; Y; Y10; Y10S; Y10S435/00; Y10S435/80
Claims Analysis
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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) | 1976-01-30 | 1976-07-31 | 1977-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-30 | 1980-07-31 | 1981-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-30 | 1984-07-31 | 1985-01-30 | $7700.00 | Window Closed / Lapsed |