Patent US3198247A successfully refreshed from Google Patents.
US3198247A
Expired / Lapsed
US
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Apparatus for the production of hydraulic cement
Assignee: Fuller Co
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Filing: 1961-10-19
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Granted: 1965-08-03
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Expires: 1981-10-19
Abstract
No abstract record available.
Inventors
- 👤 Richard G Schlauch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:25
CPC Classifications
C; C04; C04B; C04B7/00; C04B7/02; B; B01; B01D; B01D7/00; B01D7/02; Y; Y10; Y10S; Y10S165/00; Y10S165/076; Y10S165/078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
APPARATUS FOR REMOVING MATTER FROM A GAS STREAM COMPRISING A CONDUIT THROUGH WHICH THE GAS STREAM IS CAUSED TO FLOW, AT LEAST ONE CONDENSING SURFACE IN SAID CONDUIT IN THE PATH OF A STREAM OF GASES PASSING THERETHROUGH, MEANS FOR MAINTAINING IN THE CONDENSING SURFACE A TEMPERATURE BELOW THE SOLIDIFICATION POINT OF A VAPOR COMPONENT OF THE GAS STREAM, SAID CONDUIT HAVING LATERAL EXTENSIONS EXTENDING THEREFROM THROUGH WHICH SAID CONDENSING SURFACE EXTENDS, SCRAPERS POSITIONED WITHIN THE LATERAL EXTENSIONS ADAPTED TO ENGAGE THE SURFACE OF THE CONDENSING SURFACE, MEANS FOR RECIPROCATING SAID CONDENSING SURFACE RELATIVE TO SAID SCRAPPER FOR REMOVING THE SOLIDIFIED MATTER DEPOSITED ON THE CONDENSING SURFACE AND DISCHARGE HOPPERS EXTENDING DOWNWARDLY
Claim 2
Dependent Claim
112 words
APPARATUS FOR REMOVING MATTER FROM A GAS STREAM COMPRISING A CONDUIT THROUGH WHICH THE GAS STREAM IS CAUSED TO FLOW, AT LEAST ONE CONDENSING SURFACE IN SAID CONDUIT IN THE PATH OF A STREAM OF GASES PASSING THERETHROUGH, MEANS FOR MAINTAINING IN THE CONDENSING SURFACE A TEMPERATURE BELOW THE SOLIDIFICATION POINT OF A VAPOR COMPONENT OF THE GAS STREAM, SAID CONDUIT HAVING LATERAL EXTENSIONS EXTENDING THEREFROM THROUGH WHICH SAID CONDENSING SURFACE EXTENDS, SCRAPERS POSITIONED WITHIN THE LATERAL EXTENSIONS ADAPTED TO ENGAGE THE SURFACE OF THE CONDENSING SURFACE, MEANS FOR RECIPROCATING SAID CONDENSING SURFACE RELATIVE TO SAID SCRAPPER FOR REMOVING THE SOLIDIFIED MATTER DEPOSITED ON THE CONDENSING SURFACE AND DISCHARGE HOPPERS EXTENDING DOWNWARDLY
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |