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US3198247A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for the production of hydraulic cement

Assignee: Fuller Co
•
Filing: 1961-10-19
•
Granted: 1965-08-03
•
Expires: 1981-10-19
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Abstract

No abstract record available.

Inventors

  • 👤 Richard G Schlauch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 00:30
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)

US1548158A Cited
US1844308A Cited
US2364279A Cited
US2761668A Cited
US2774573A Cited

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

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