US2598170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of sealing steel storage vessels
Assignee: NL Industries Inc
•
Filing: 1946-03-11
•
Granted: 1952-05-27
•
Expires: 1966-03-11
Abstract
No abstract record available.
Inventors
- 👤 Earl E Huebotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:33
CPC Classifications
C; C09; C09D; C09D105/00; C09D103/00; C09D103/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
THE PROCESS OF SEALING STEEL STORAGE VESSELS CONTAINING SALT WATER COMPRISING, INTRODUCING INTO THE CONTAINER AND DISPERSING INTO THE SALT WATER THEREIN, SUFFICIENT OF A GELATINIZED POLYSACCHAROSE SELECTED FROM THE GROUP CONSISTING OF GELATINIZED STARCHES, GUMS AND SEA-WEEDS AND OF A TYPE DISPERSIBLE, SWELLING IN AND FORMING A GEL IN SALT WATER BUT NONCORROSIVE TO STEEL, SO AS TO SEAL THE VESSEL AGAINST LEAKAGE OF SALT THEREFROM.
Claim 2
Dependent Claim
67 words
THE PROCESS OF SEALING STEEL STORAGE VESSELS CONTAINING SALT WATER COMPRISING, INTRODUCING INTO THE CONTAINER AND DISPERSING INTO THE SALT WATER THEREIN, SUFFICIENT OF A GELATINIZED POLYSACCHAROSE SELECTED FROM THE GROUP CONSISTING OF GELATINIZED STARCHES, GUMS AND SEA-WEEDS AND OF A TYPE DISPERSIBLE, SWELLING IN AND FORMING A GEL IN SALT WATER BUT NONCORROSIVE TO STEEL, SO AS TO SEAL THE VESSEL AGAINST LEAKAGE OF SALT THEREFROM.
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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) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |