US3345879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for extracting samples from the bed of a body of water
Assignee: Asahi Kasei Corp
•
Filing: 1964-09-23
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Granted: 1967-10-10
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Expires: 1984-09-23
Abstract
No abstract record available.
Inventors
- 👤 Nasu Noriyuki
- 👤 Shinozaki Hiroshi
- 👤 Yonekura Tadasu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:18
CPC Classifications
E; E21; E21B; E21B25/00; E21B25/18; E21B7/00; E21B7/12; E21B7/124; E21B7/1245; Y; Y10; Y10S; Y10S173/00; Y10S173/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A SAMPLE RECOVERING DEVICE COMPRISING A CORE RECEIVING TUBE, MEANS FOR DRIVING SAID CORE TUBE INCLUDING A ROCKET ATTACHED DIRECTLY TO SAID TUBE AT THE TOP THEREOF AND CONCENTRIC THEREWITH, SAID ROCKET HAVING NOZZLES FACING GENERALLY UPWARDLY SO THAT WHEN THE ROCKER IS IGNITED THE TUBE IS DRIVEN DOWNWARDLY AND ENTERS A BODY FROM WHICH A SAMPLE IS TO BE REMOVED, SAID NOZZLES BEING INCLINED WITH RESPECT TO THE AXIS OF THE TUBE TO PRODUCE ROTATION OF THE TUBE WHEN IT IS DRIVEN DOWNWARDLY, MEANS FOR IGNITING SAID ROCKET, SUPPORT MEANS SLIDABLY RECEIVING THE CORE TUBE AT THE LOWER END THEREOF AND ENGAGING THE ROCKET AFTER THE SAME HAS BEEN IGNITED AND THE CORE TUBE HAS BEEN LOWERED, AND MEANS FOR RECOVERING THE ENTIRE SAMPLE ASSEMBLY.
Claim 2
Dependent Claim
126 words
A SAMPLE RECOVERING DEVICE COMPRISING A CORE RECEIVING TUBE, MEANS FOR DRIVING SAID CORE TUBE INCLUDING A ROCKET ATTACHED DIRECTLY TO SAID TUBE AT THE TOP THEREOF AND CONCENTRIC THEREWITH, SAID ROCKET HAVING NOZZLES FACING GENERALLY UPWARDLY SO THAT WHEN THE ROCKER IS IGNITED THE TUBE IS DRIVEN DOWNWARDLY AND ENTERS A BODY FROM WHICH A SAMPLE IS TO BE REMOVED, SAID NOZZLES BEING INCLINED WITH RESPECT TO THE AXIS OF THE TUBE TO PRODUCE ROTATION OF THE TUBE WHEN IT IS DRIVEN DOWNWARDLY, MEANS FOR IGNITING SAID ROCKET, SUPPORT MEANS SLIDABLY RECEIVING THE CORE TUBE AT THE LOWER END THEREOF AND ENGAGING THE ROCKET AFTER THE SAME HAS BEEN IGNITED AND THE CORE TUBE HAS BEEN LOWERED, AND MEANS FOR RECOVERING THE ENTIRE SAMPLE ASSEMBLY.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |