US3116977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for screening corrosion inhibitors in boiler water
Assignee: Combustion Engineering Inc
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Filing: 1960-08-09
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Granted: 1964-01-07
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Expires: 1980-08-09
Abstract
No abstract record available.
Inventors
- 👤 Hilary A Grabowski
- 👤 Peter F Santoro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:21
CPC Classifications
G; G01; G01N; G01N17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE PROCESS OF SCREENING CARROSION INHIBITORS FOR BOILER WATER COMPRISING PROVIDING IN AN ENCLOSED CONTAINER A HEATED BATH OF WATER HAVING THE INHIBITOR DISSOLVED THEREIN, PERIODALLY IMMERSING A PLURALITY OF METALLIC TEST SPECIMENS INTO THE BATH AND WITHDRAWING THE SAME INTO THE SPACE THEREABOVE, PASSING A CURRENT THROUGH SAID SPECIMENS AND THEREBY HEATING THE SAME TO A TEMPERATURE ABOVE SAID BATH AND SO THE SPECIMENS QUICKLY BECOME DRY WHEN MOVED FROM THE WATER BATH INTO SAID SPACE, AND CONTINUING THE PERIODIC EMERSION AND WITHDRAWAL FOR A SUBSTANTIAL PERIOD.
Claim 2
Dependent Claim
88 words
THE PROCESS OF SCREENING CARROSION INHIBITORS FOR BOILER WATER COMPRISING PROVIDING IN AN ENCLOSED CONTAINER A HEATED BATH OF WATER HAVING THE INHIBITOR DISSOLVED THEREIN, PERIODALLY IMMERSING A PLURALITY OF METALLIC TEST SPECIMENS INTO THE BATH AND WITHDRAWING THE SAME INTO THE SPACE THEREABOVE, PASSING A CURRENT THROUGH SAID SPECIMENS AND THEREBY HEATING THE SAME TO A TEMPERATURE ABOVE SAID BATH AND SO THE SPECIMENS QUICKLY BECOME DRY WHEN MOVED FROM THE WATER BATH INTO SAID SPACE, AND CONTINUING THE PERIODIC EMERSION AND WITHDRAWAL FOR A SUBSTANTIAL PERIOD.
References Cited (Backward Citations)
US2405532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |