US3301336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for deep sea bottom core sampling
Assignee: Individual
•
Filing: 1964-03-24
•
Granted: 1967-01-31
•
Expires: 1984-03-24
Abstract
No abstract record available.
Inventors
- 👤 Wadsworth W Mount
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:22
CPC Classifications
E; E21; E21B; E21B25/00; E21B25/18; E21B7/00; E21B7/12; E21B7/124; E21B7/1245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A CORE SAMPLER FOR SEA BOTTOM USE, COMPRISING A CORE TUBE, A WEIGHT SUSPENDED IN PART FROM THE TOP OF THE CORE TUBE AND IN PART FROM THE SHIP AND MOUNTED FOR MOVEMENT ALONG THE CORE TUBE, AND CABLE MEANS FOR RAISING THE WEIGHT UPWARDLY ALONG THE TUBE, SO THAT A FORCE IS PRODUCED URGING THE TUBE DOWNWARDLY WHEN THE TUBE IS POSITIONED AT THE BOTTOM OF THE SEA.
Claim 2
Dependent Claim
69 words
A CORE SAMPLER FOR SEA BOTTOM USE, COMPRISING A CORE TUBE, A WEIGHT SUSPENDED IN PART FROM THE TOP OF THE CORE TUBE AND IN PART FROM THE SHIP AND MOUNTED FOR MOVEMENT ALONG THE CORE TUBE, AND CABLE MEANS FOR RAISING THE WEIGHT UPWARDLY ALONG THE TUBE, SO THAT A FORCE IS PRODUCED URGING THE TUBE DOWNWARDLY WHEN THE TUBE IS POSITIONED AT THE BOTTOM OF THE SEA.
References Cited (Backward Citations)
US2035313A
Cited
US797622A
Cited
US1577605A
Cited
US2587231A
Cited
US2650069A
Cited
US2662395A
Cited
US2830791A
Cited
US2807439A
Cited
US3139146A
Cited
US3049185A
Cited
US3118417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |