US3139945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic corer
Assignee: Individual
•
Filing: 1963-07-11
•
Granted: 1964-07-07
•
Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 Re Benedict V Del
- 👤 Castigliola Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:17
CPC Classifications
E; E21; E21B; E21B25/00; E21B25/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
AN APPARATUS FOR OBTAINING RELATIVELY UNDISTURBED CORE SAMPLES OF UNDERWATER SEDIMENTS, COMPRISING: AN ELONGATED RECTANGULAR SKELETAL FRAME ADAPTED TO BE LOWERED FROM A SURFACE CRAFT TO THE SEDIMENTS TO BE CORED, SUPPORT MEANS ON SAID FRAME FOR HOLDING THE SAME UPRIGHT ON THE SURFACE OF THE SEDIMENTS, AN AIR MOTOR, HAVING A CASING AND A HAMMER RECIPROCABLE THEREIN, MEANS ATTACHED TO THE CASING OF SAID AIR MOTOR AND SLIDINGLY ENGAGING SAID FRAME FOR SUPPORTING SAID AIR MOTOR FOR LONGITUDINAL SLIDING MOVEMENT IN SAID FRAME, HEAVY WEIGHT MEANS ATTACHED TO THE CASING OF SAID MOTOR, A CORING TUBE HAVING A CORE CUTTER AT ONE END, AND MEANS AT THE OTHER END OF SAID CORING TUBE FOR LOOSELY SUPPORTING THE SAME ON THE CASING OF SAID AIR MOTOR AND FOR RECEIVING THE BLOWS OF THE HAMMER THEREOF, WHEREBY ONLY A NEGLIGIBLE AMOUNT OF VIBRATION IS TRANSMITTED TO SAID CORING TUBE AND TO THE SEDIMENTS BEING CORED.
Claim 2
Independent Claim
154 words
AN APPARATUS FOR OBTAINING RELATIVELY UNDISTURBED CORE SAMPLES OF UNDERWATER SEDIMENTS, COMPRISING: AN ELONGATED RECTANGULAR SKELETAL FRAME ADAPTED TO BE LOWERED FROM A SURFACE CRAFT TO THE SEDIMENTS TO BE CORED, SUPPORT MEANS ON SAID FRAME FOR HOLDING THE SAME UPRIGHT ON THE SURFACE OF THE SEDIMENTS, AN AIR MOTOR, HAVING A CASING AND A HAMMER RECIPROCABLE THEREIN, MEANS ATTACHED TO THE CASING OF SAID AIR MOTOR AND SLIDINGLY ENGAGING SAID FRAME FOR SUPPORTING SAID AIR MOTOR FOR LONGITUDINAL SLIDING MOVEMENT IN SAID FRAME, HEAVY WEIGHT MEANS ATTACHED TO THE CASING OF SAID MOTOR, A CORING TUBE HAVING A CORE CUTTER AT ONE END, AND MEANS AT THE OTHER END OF SAID CORING TUBE FOR LOOSELY SUPPORTING THE SAME ON THE CASING OF SAID AIR MOTOR AND FOR RECEIVING THE BLOWS OF THE HAMMER THEREOF, WHEREBY ONLY A NEGLIGIBLE AMOUNT OF VIBRATION IS TRANSMITTED TO SAID CORING TUBE AND TO THE SEDIMENTS BEING CORED.
References Cited (Backward Citations)
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US1655644A
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US1766108A
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US1882906A
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US2003779A
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US2665885A
Cited
US2650068A
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US3098533A
Cited
US3078931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |