US3073573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank erection mechanism
Assignee: Individual
•
Filing: 1960-01-28
•
Granted: 1963-01-15
•
Expires: 1980-01-28
Abstract
No abstract record available.
Inventors
- 👤 Haskins Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:47
CPC Classifications
E; E04; E04H; E04H7/00; E04H7/02; E04H7/04; E04H7/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A TANK ERECTION APPARATUS COMPRISING A PLURALITY OF LIFTING MEANS EACH INCLUDING A BASE, A VERTICAL DOUBLE ACTING HYDRAULIC CYLINDER ASSEMBLY, A PULLEY CARRIED BY THE PISTON OF SAID ASSEMBLY AND A CABLE FIXED AT ONE END TO SAID BASE, ENGAGED AT ITS CENTRAL PORTION UPON SAID PULLEY AND ADAPTED TO BE FIXED AT ITS REMAINING END TO THE TANK WALL; BRACING MEANS CONNECTING SAID LIFTING MEANS TO THEREBY FORM A RIGID STRUCTURE WITHIN THE TANK WALLS, SAID BRACING MEANS COMPRISING AN X-FRAME LOCATED BETWEEN EACH PAIR OF LIFTING MEANS, MEANS CONNECTING EACH LOWER LEG OF SAID X-FRAME TO THE BASE OF ITS ADJACENT LIFTING MEANS AND MEANS CONNECTING EACH UPPER LEG OF SAID X-FRAME TO THE UPPER PORTION OF THE HYDRAULIC CYLINDER ASSEMBLY OF ITS ADJACENT LIFTING MEANS; SAID LIFTING MEANS AND SAID BRACING MEANS THEREBY FORMING A RIGID SUPPORT STRUCTURE FOR ELEVATING A PARTIALLY COMPLETED TANK WALL.
Claim 2
Dependent Claim
149 words
A TANK ERECTION APPARATUS COMPRISING A PLURALITY OF LIFTING MEANS EACH INCLUDING A BASE, A VERTICAL DOUBLE ACTING HYDRAULIC CYLINDER ASSEMBLY, A PULLEY CARRIED BY THE PISTON OF SAID ASSEMBLY AND A CABLE FIXED AT ONE END TO SAID BASE, ENGAGED AT ITS CENTRAL PORTION UPON SAID PULLEY AND ADAPTED TO BE FIXED AT ITS REMAINING END TO THE TANK WALL; BRACING MEANS CONNECTING SAID LIFTING MEANS TO THEREBY FORM A RIGID STRUCTURE WITHIN THE TANK WALLS, SAID BRACING MEANS COMPRISING AN X-FRAME LOCATED BETWEEN EACH PAIR OF LIFTING MEANS, MEANS CONNECTING EACH LOWER LEG OF SAID X-FRAME TO THE BASE OF ITS ADJACENT LIFTING MEANS AND MEANS CONNECTING EACH UPPER LEG OF SAID X-FRAME TO THE UPPER PORTION OF THE HYDRAULIC CYLINDER ASSEMBLY OF ITS ADJACENT LIFTING MEANS; SAID LIFTING MEANS AND SAID BRACING MEANS THEREBY FORMING A RIGID SUPPORT STRUCTURE FOR ELEVATING A PARTIALLY COMPLETED TANK WALL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |