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US2907638A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for quantitative isothermal distillation

Assignee: Individual
•
Filing: 1956-09-24
•
Granted: 1959-10-06
•
Expires: 1976-09-24
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Abstract

No abstract record available.

Inventors

  • 👤 Robert L Dryer
  • 👤 Joseph I Routh
  • 👤 Harry G Nunamaker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 12:40
CPC Classifications
B; B01; B01D; B01D3/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 181 words
AN ANALYTICAL APPARATUS FOR THE QUANTITATIVE ISOTHERMAL DISTILLATION OF VOLATILE LIQUIDS AND GASEOUS SUBSTANCES TO ASCERTAIN THA AMOUNT OF A PARTICULAR INGREDIENT PRESENT THEREIN CONSISTING ESSENTIALLY OF AN ELONGATED TUBULAR SUPPLY RECAPTACLE AND AN ELONGATED TUBULAR TRAP RECEPTACLE REMOVABLY MOUNTED ON THE UPPER END OF SAID SUPPLY RECEPTACLE, A BASE WITHIN SAID SUPPLY RECEPTACLE HAVING AN OPENING THERETHROUGH, SAID SUPPLY RECEPTACLE ABOVE SAID JBASE DEFINING A PEAR-SHAPED SUPPLY CHAMBER FOR HOLDING A KNOW VOLUME OF SAMPLE FLUID TO BE TESTED, A TUBULAR MEMBER EXTENDING UPWARDLY FROM SAID BASE ABOUT SAID OPENING, A SECOND TUBULAR MEMBER EXTENDING UPWARDLY FROM SAID BASE ABOUT SAID FIRST TUBULAR MEMBER, SAID SECOND MEMBER HAVING A CAPPED UPPER PORTION AND A PLURALITY OF SPACED APPARATUES ABOUT THE LOWER PERIPHERAL SURFACE THEREOF, SAID SUPPLY RECEPTACLE INCLUDING A BULBULAR CHAMBER LOCATED BELOW SAID BASE AND MEANS FORMED BY THE LOWER END OF SAID SUPPLY RECEPTACLE BELOW SAID BULBULAR CHAMBER FOR ENGAGEMENT WITH A GAS SUPPLYING CONDUIT, SAID ELONGATED TUBULAR TRAP RECEPTACLE HAVING ITS LOWER END SHAPED FOR FRICTIONAL ENGAGEMENT EITH SAID UPPER END OF SAID SUPPLY RECEPTACLE, SAID TRAP
Claim 2
Dependent Claim 181 words
AN ANALYTICAL APPARATUS FOR THE QUANTITATIVE ISOTHERMAL DISTILLATION OF VOLATILE LIQUIDS AND GASEOUS SUBSTANCES TO ASCERTAIN THA AMOUNT OF A PARTICULAR INGREDIENT PRESENT THEREIN CONSISTING ESSENTIALLY OF AN ELONGATED TUBULAR SUPPLY RECAPTACLE AND AN ELONGATED TUBULAR TRAP RECEPTACLE REMOVABLY MOUNTED ON THE UPPER END OF SAID SUPPLY RECEPTACLE, A BASE WITHIN SAID SUPPLY RECEPTACLE HAVING AN OPENING THERETHROUGH, SAID SUPPLY RECEPTACLE ABOVE SAID JBASE DEFINING A PEAR-SHAPED SUPPLY CHAMBER FOR HOLDING A KNOW VOLUME OF SAMPLE FLUID TO BE TESTED, A TUBULAR MEMBER EXTENDING UPWARDLY FROM SAID BASE ABOUT SAID OPENING, A SECOND TUBULAR MEMBER EXTENDING UPWARDLY FROM SAID BASE ABOUT SAID FIRST TUBULAR MEMBER, SAID SECOND MEMBER HAVING A CAPPED UPPER PORTION AND A PLURALITY OF SPACED APPARATUES ABOUT THE LOWER PERIPHERAL SURFACE THEREOF, SAID SUPPLY RECEPTACLE INCLUDING A BULBULAR CHAMBER LOCATED BELOW SAID BASE AND MEANS FORMED BY THE LOWER END OF SAID SUPPLY RECEPTACLE BELOW SAID BULBULAR CHAMBER FOR ENGAGEMENT WITH A GAS SUPPLYING CONDUIT, SAID ELONGATED TUBULAR TRAP RECEPTACLE HAVING ITS LOWER END SHAPED FOR FRICTIONAL ENGAGEMENT EITH SAID UPPER END OF SAID SUPPLY RECEPTACLE, SAID TRAP

References Cited (Backward Citations)

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US241579A Cited
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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) 1962-10-05 1963-04-06 1963-10-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-10-05 1967-04-06 1967-10-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-10-05 1971-04-06 1971-10-06 $7700.00 Window Closed / Lapsed

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