Patent US2719780A successfully refreshed from Google Patents.
US2719780A
Expired / Lapsed
US
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Fume control apparatus
Assignee: Standard Oil Co
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Filing: 1950-06-15
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Granted: 1955-10-04
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Expires: 1970-06-15
Abstract
No abstract record available.
Inventors
- 👤 Kornhauser Saunders
- 👤 Lawrence W Bundy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:27
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; Y; Y10; Y10S; Y10S261/00; Y10S261/09; Y10S261/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN APPARATUS OF THE CHARACTER DESCRIBED, THE COMBINATION OF A TANK FOR ASPHALTIC PETROLEUM STOCK, MEANS FOR INJECTING AIR AT THE BOTTOM THEREOF, MEANS FOR SUPPLYING STEAM AT THE TOP, A FUME PIPE LEADING FROM THE TOP OF THE TANK, A WATER SPRAY IN SAID FUME PUPE, SETTLING-SUMP MEANS AND UNIT SHUT-OFF MEANS COMBINED, INCLUDING A CHAMBER WITH AN INLET INTO ITS TOP FROM SAID FUME PIPE, AN OUTLET IN THE TOP OF SIAD CHAMBER SPACED FROM SAID INLET AND ON SUBSTANTIALLY THE SAME LIQUID LEVEL, A LIQUIDOVERFLOW IN SAID WATER-NAMED FUME PIPE AT A LEVEL ABOVE SAID CHAMBER, AND MEANS TO OPEN A PASSAGEWAY BETWEEN
Claim 2
Dependent Claim
106 words
IN APPARATUS OF THE CHARACTER DESCRIBED, THE COMBINATION OF A TANK FOR ASPHALTIC PETROLEUM STOCK, MEANS FOR INJECTING AIR AT THE BOTTOM THEREOF, MEANS FOR SUPPLYING STEAM AT THE TOP, A FUME PIPE LEADING FROM THE TOP OF THE TANK, A WATER SPRAY IN SAID FUME PUPE, SETTLING-SUMP MEANS AND UNIT SHUT-OFF MEANS COMBINED, INCLUDING A CHAMBER WITH AN INLET INTO ITS TOP FROM SAID FUME PIPE, AN OUTLET IN THE TOP OF SIAD CHAMBER SPACED FROM SAID INLET AND ON SUBSTANTIALLY THE SAME LIQUID LEVEL, A LIQUIDOVERFLOW IN SAID WATER-NAMED FUME PIPE AT A LEVEL ABOVE SAID CHAMBER, AND MEANS TO OPEN A PASSAGEWAY BETWEEN
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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) | 1958-10-03 | 1959-04-04 | 1959-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-03 | 1963-04-04 | 1963-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-03 | 1967-04-04 | 1967-10-04 | $7700.00 | Window Closed / Lapsed |