US3134501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating roof construction
Assignee: Union Tank Car Co
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Filing: 1961-07-07
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Granted: 1964-05-26
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Expires: 1981-07-07
Abstract
No abstract record available.
Inventors
- 👤 Robert W Bodley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:37
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
A FLOATING ROOF CONSTRUCTION OF THE TYPE ADAPTED TO BE INSTALLED IN A STORAGE VESSEL HAVING A VERTICAL SHELL, COMPRISING A PLURALITY OF INDIVIDUALLY BUOYANT PAN-LIKE SECTIONS CONNECTED TOGETHER IN MECHANICAL AND VAPOR SEAL RELATION, EACH OF SAID SECTIONS HAVING A RELATIVELY FLAT BOTTOM IN ENGAGEMENT WITH THE LIQUID STORED IN SAID VESSEL, A WALL STRUCTURE EXTENDING UPWARDLY FROM THE EDGES OF THE BOTTOM, A FLANGE CONSTRUCTION EXTENDING INWARDLY FROM THE UPPER END OF SAID WALL STRUCTURE TOWARD THE CENTER OF THE SECTION; T-SHAPED GASKET SEALING MEANS HAVING FIRST PORTIONS EXTENDING VERTICALLY AND CONTINUOUSLY BETWEEN ADJACENT WALL STRUCTURES TO SPACE APART SAID SECTIONS, SAID T-SHAPED GASKET SEALING MEANS INCLUDING SECOND PORTIONS OVERLYING ALL PARTS OF THE ADJACENT FLANGE CONSTRUCTIONS, A PLURALITY OF RELATIVELY SMALL CLIP MEANS EXTENDING OVER THE SECOND PORTIONS OF SAID T-SHAPED GASKET MEANS,
References Cited (Backward Citations)
US1903291A
Cited
US1979272A
Cited
US1714207A
Cited
US1723307A
Cited
US1902108A
Cited
US3029971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |