US3241701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional tank
Assignee: Universal Moulded Fiber Glass Corp
•
Filing: 1962-03-16
•
Granted: 1966-03-22
•
Expires: 1982-03-16
Abstract
No abstract record available.
Inventors
- 👤 Le Roy R Boggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:38
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
134 words
A TANK CONSTRUCTION HAVING A CYLINDRICAL WALL FORMED OF A PLURALITY OF PANELS EACH COMPRISING A PORTION OF THE CIRCUMFERENCE OF THE CYLINDRICAL WALL AND EACH PANEL COMPRISING A FLAT SHEET FLEXED TO CONFORM TO THE CURVATURE OF THE CYLINDRICAL WALL WITH THE SEVERAL PANELS POSITIONED IN EDGE-TO-EDGE RELATION TO MAKE UP THE COMPLETE CYLINDRICAL WALL, ADJACENT PANELS HAVING INTERNALLY PROJECTING FLANGES AT THEIR ADJOINING EDGES, FASTENING MEANS COOPERATING WITH SAID FLANGES FOR JOINING THE PANELS TOGETHER, AND AN END STRUCTURE FOR THE TANK HAVING INTERNAL AND EXTERNAL CYLINDRICAL PORTIONS ADAPTED RESPECTIVELY TO FIT INSIDE AND OUTSIDE THE END OF THE CYLINDRICAL WALL, THE INTERNAL CYLINDRICAL PORTION HAVING AN EXTERNAL CYLINDRICAL SURFACE OF AXIAL DIMENSION TO EXTEND INSIDE THE CYLINDRICAL WALL OF THE FLEXED PANELS FARTHER THAN THE AXIAL EXTENT OF THE EXTERNAL PART.
Claim 2
Dependent Claim
134 words
A TANK CONSTRUCTION HAVING A CYLINDRICAL WALL FORMED OF A PLURALITY OF PANELS EACH COMPRISING A PORTION OF THE CIRCUMFERENCE OF THE CYLINDRICAL WALL AND EACH PANEL COMPRISING A FLAT SHEET FLEXED TO CONFORM TO THE CURVATURE OF THE CYLINDRICAL WALL WITH THE SEVERAL PANELS POSITIONED IN EDGE-TO-EDGE RELATION TO MAKE UP THE COMPLETE CYLINDRICAL WALL, ADJACENT PANELS HAVING INTERNALLY PROJECTING FLANGES AT THEIR ADJOINING EDGES, FASTENING MEANS COOPERATING WITH SAID FLANGES FOR JOINING THE PANELS TOGETHER, AND AN END STRUCTURE FOR THE TANK HAVING INTERNAL AND EXTERNAL CYLINDRICAL PORTIONS ADAPTED RESPECTIVELY TO FIT INSIDE AND OUTSIDE THE END OF THE CYLINDRICAL WALL, THE INTERNAL CYLINDRICAL PORTION HAVING AN EXTERNAL CYLINDRICAL SURFACE OF AXIAL DIMENSION TO EXTEND INSIDE THE CYLINDRICAL WALL OF THE FLEXED PANELS FARTHER THAN THE AXIAL EXTENT OF THE EXTERNAL PART.
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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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |