US3352160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coring apparatus
Assignee: Individual
•
Filing: 1965-07-21
•
Granted: 1967-11-14
•
Expires: 1985-07-21
Abstract
No abstract record available.
Inventors
- 👤 Wadsworth W Mount
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:01
CPC Classifications
E; E21; E21B; E21B49/00; E21B49/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A DEVICE FOR OBTAINING A CORE SAMPLE COMPRISING A PLURALITY OF ELONGATED ANGULAR MEMBERS POSITIONED TO FORM AN ELONGATED CORE RECEPTACLE BETWEEN THEM, A PLURALITY OF LINKS EACH PIVOTALLY MOUNTED AT EACH END ON AN ADJACENT MEMBER TO HOLD THE MEMBERS IN SPACED-APART RELATION IN ONE POSITION AND MOVING THE MEMBERS TOWARD ONE ANOTHER WHEN THE MEMBERS ARE LONGITUDINALLY MOVED WITH RESPECT TO ONE ANOTHER TO CLOSE THE RECEPTACLE.
Claim 2
Independent Claim
69 words
A DEVICE FOR OBTAINING A CORE SAMPLE COMPRISING A PLURALITY OF ELONGATED ANGULAR MEMBERS POSITIONED TO FORM AN ELONGATED CORE RECEPTACLE BETWEEN THEM, A PLURALITY OF LINKS EACH PIVOTALLY MOUNTED AT EACH END ON AN ADJACENT MEMBER TO HOLD THE MEMBERS IN SPACED-APART RELATION IN ONE POSITION AND MOVING THE MEMBERS TOWARD ONE ANOTHER WHEN THE MEMBERS ARE LONGITUDINALLY MOVED WITH RESPECT TO ONE ANOTHER TO CLOSE THE RECEPTACLE.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |