Patent US2798378A successfully refreshed from Google Patents.
US2798378A
Expired / Lapsed
US
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Automatic marine geological sample extractor
Assignee: Individual
•
Filing: 1956-05-22
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Granted: 1957-07-09
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Expires: 1976-05-22
Abstract
No abstract record available.
Inventors
- 👤 Raso Americo Del
- 👤 Charles J Sonich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:22
CPC Classifications
E; E21; E21B; E21B25/00; E21B25/18; E21B7/00; E21B7/12; E21B7/132; G; G01; G01V; G01V9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A DEVICE FOR OBTAINING MARINE GEOLOGICAL SAMPLE CORES, COMPRISING: A BUOYANT MAIN SUPPORT ASSEMBLY INCLUDING A CORING TUBE; A LATCH ASSEMBLY SLIDING ON THE MAIN SUPPORT ASSEMBLY AND NORMALLY LATCHED TO THE MAIN SUPPORT ASSEMBLY TO HOLD THE ASSEMBLIES AGAINST RELATIVE SLIDABLE MOVEMENT; WEIGHT MEANS CONFINED BETWEEN THE LATCHINGLY ENGAGED ASSEMBLIES AND ARRANGED FOR RELEASE RESPONSIVE TO DISENGAGEMENT OF THE ASSEMBLIES AND RELATIVE SLIDING MOVEMENT THEREOF IN ONE DIRECTION; RESILIENT, YIELDING MEANS INTERPOSED BETWEEN THE ASSEMBLIES AND TENSIONED TO BIAS THE SAME IN THE WEIGHT-RELEASING DIRECTION ON DISENGAGEMENT OF THE ASSEMBLIES FROM EACH OTHER; AND RELEASING MEANS SLIDING ON THE LATCH ASSEMBLY AND FREEING THE ASSEMBLIES FOR DISENGAGEMENT FROM EACH OTHER RESPONSIVE TO AN UPWARD PRESSURE EXERTED ON SAID RELEASING MEANS BY THE OCEAN BOTTOM.
Claim 2
Independent Claim
125 words
A DEVICE FOR OBTAINING MARINE GEOLOGICAL SAMPLE CORES, COMPRISING: A BUOYANT MAIN SUPPORT ASSEMBLY INCLUDING A CORING TUBE; A LATCH ASSEMBLY SLIDING ON THE MAIN SUPPORT ASSEMBLY AND NORMALLY LATCHED TO THE MAIN SUPPORT ASSEMBLY TO HOLD THE ASSEMBLIES AGAINST RELATIVE SLIDABLE MOVEMENT; WEIGHT MEANS CONFINED BETWEEN THE LATCHINGLY ENGAGED ASSEMBLIES AND ARRANGED FOR RELEASE RESPONSIVE TO DISENGAGEMENT OF THE ASSEMBLIES AND RELATIVE SLIDING MOVEMENT THEREOF IN ONE DIRECTION; RESILIENT, YIELDING MEANS INTERPOSED BETWEEN THE ASSEMBLIES AND TENSIONED TO BIAS THE SAME IN THE WEIGHT-RELEASING DIRECTION ON DISENGAGEMENT OF THE ASSEMBLIES FROM EACH OTHER; AND RELEASING MEANS SLIDING ON THE LATCH ASSEMBLY AND FREEING THE ASSEMBLIES FOR DISENGAGEMENT FROM EACH OTHER RESPONSIVE TO AN UPWARD PRESSURE EXERTED ON SAID RELEASING MEANS BY THE OCEAN BOTTOM.
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) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |