Patent US3245658A successfully refreshed from Google Patents.
US3245658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Offshore platform elevating equipment
Assignee: Individual
•
Filing: 1965-04-12
•
Granted: 1966-04-12
•
Expires: 1985-04-12
Abstract
No abstract record available.
Inventors
- 👤 John R Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:50
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/04; E02B17/08; E02B17/0836; E02B17/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
JACKING APPARATUS FOR EFFECTING RELATIVE VERTICAL MOVEMENT BETWEEN A PLATFORM AND A SUBSTANTIALLY VERTICALLY EXTENDING ELONGATED COLUMN ADAPTED TO SUPPORT OR TO BE SUPPORTED BY THE PLATFORM, SAID JACKING APPARATUS COMPRISING A PLURALITY OF JACKING UNITS SPACED CIRCUMFERENTIALLY OF THE COLUMN, EACH UNIT COMPRISING A PAIR OF SHAFT MEMBERS EXTENDING GENERALLY VERTICALLY AND A PAIR OF UNIT MEMBERS EACH RECEIVING ONE OF THE SHAFT MEMBERS, SAID NUT MEMBERS BEING ROTATABLE WITH RESPECT TO THE SHAFT MEMBERS WHEREUPON ROTATION OF SAID NUT MEMBERS, THE SHAFT MEMBERS ARE MOVED VERTICALLY, MEANS FOR MOUNTING THE JACKING UNIT ON THE PLATFORM, MEANS FOR SELECTIVELY CONNECTING THE JACKING UNIT TO THE COLUMN, AND POWER MEANS FOR ROTATING THE NUT MEMBERS TO EFFECT UPWARD OR DOWNWARD RELATIVE MOVEMENT BETWEEN THE COLUMN AND THE PLATFORM.
Claim 2
Dependent Claim
128 words
JACKING APPARATUS FOR EFFECTING RELATIVE VERTICAL MOVEMENT BETWEEN A PLATFORM AND A SUBSTANTIALLY VERTICALLY EXTENDING ELONGATED COLUMN ADAPTED TO SUPPORT OR TO BE SUPPORTED BY THE PLATFORM, SAID JACKING APPARATUS COMPRISING A PLURALITY OF JACKING UNITS SPACED CIRCUMFERENTIALLY OF THE COLUMN, EACH UNIT COMPRISING A PAIR OF SHAFT MEMBERS EXTENDING GENERALLY VERTICALLY AND A PAIR OF UNIT MEMBERS EACH RECEIVING ONE OF THE SHAFT MEMBERS, SAID NUT MEMBERS BEING ROTATABLE WITH RESPECT TO THE SHAFT MEMBERS WHEREUPON ROTATION OF SAID NUT MEMBERS, THE SHAFT MEMBERS ARE MOVED VERTICALLY, MEANS FOR MOUNTING THE JACKING UNIT ON THE PLATFORM, MEANS FOR SELECTIVELY CONNECTING THE JACKING UNIT TO THE COLUMN, AND POWER MEANS FOR ROTATING THE NUT MEMBERS TO EFFECT UPWARD OR DOWNWARD RELATIVE MOVEMENT BETWEEN THE COLUMN AND THE PLATFORM.
References Cited (Backward Citations)
US2992812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |