US3299969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sediment corer
Assignee: Lockheed Martin Corp
•
Filing: 1963-08-01
•
Granted: 1967-01-24
•
Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 Anton L Inderbitzen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:24
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/12; E21B7/124; E21B25/00; E21B25/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
163 words
A SEDIMENT CORER FOR COLLECTING SEDIMENT SAMPLES COMPRISING: (A) A FIRST BODY MEMBER; (B) A SECOND BODY MEMBER REMOVABLY CONNECTED TO SAID FIRST BODY MEMBER AND WHEREIN SAID SECOND BODY MEMBER COMPRISES; A COUPLING MEMBER HAVING GROOVE MEANS AT ONE END AND AN ANNULAR FLANGE AT ITS OTHER END; A PLASTIC TUBULAR MEMBER HAVING AN ANNULAR FLANGE AT ONE END ABUTTING SAID FLANGE ON SAID COUPLING MEMBER; CLAMP MEANS ENCOMPASSING SAID FLANGES TO CLAMP TOGETHER SAID CUTTER MEANS TO THE OTHER END OF SAID PLASTIC TUBULAR MEMBER; (C) CUTTER MEANS CONNECTED TO SAID SECOND BODY AT AN END OPPOSITE TO SAID SECOND BODY; (D) MEANS FOR CREATING A VACUUM WITHIN SAID SECOND BODY MEMBER WHEREIN SAID VACUUM CREATING MEANS COMPRISES A PISTON SLIDEABLY MOUNTED IN SAID PLASTIC TUBE; (E) A PISTON STOP MEMBER DEPENDING FROM SAID ANNULAR FLANGE ON SAID COUPLING MEMBER AND EXTENDING INTO SAID PLASTIC TUBE; AND (F) MEANS FOR HOLDING SAID PISTON STATIONARY WHEN SAID CUTTER MEANS PENETRATES THE SEDIMENT.
References Cited (Backward Citations)
US1019000A
Cited
US2318062A
Cited
US2488486A
Cited
US2650068A
Cited
US2664269A
Cited
US2772898A
Cited
US2807439A
Cited
US2795395A
Cited
US3078931A
Cited
US3155174A
Cited
US3202035A
Cited
US3163241A
Cited
US3139945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |