US3028312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for cultivating microorganisms
Assignee: Individual
•
Filing: 1959-09-21
•
Granted: 1962-04-03
•
Expires: 1979-09-21
Abstract
No abstract record available.
Inventors
- 👤 Mense Elmer H Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:15
CPC Classifications
C; C12; C12M; C12M29/00; C12M29/14; C12M25/00; C12M25/16; C12M25/20; C12M41/00; C12M41/30; C12M41/34; C12N; C12N1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
THE METHOD OF CULTIVATING MICROORGANISMS WHICH COMPRISES INOCULATING A STERILE SUBSTRATE MATERIAL CONSISTING ESSENTIALLY OF A FINELY DIVIDED SOLID WITH A LIQUID CULTURE OF THE MICROORGANISMS TO BE CULTIVATED, ARRANGING THE INOCULATED SUBSTRATE MATERIAL IN A STATIONARY POROUS UNCOMPACTED BED APPROXIMATELY THREE FEET IN DEPTH, PASSING INTO AND THROUGH SAID BED AND IN CONTACT WITH ALL PORTIONS THEREOF A STREAM OF AIR UNDE RA PRESSURE OF APPROXIMATELY 6 INCHES OF WATER, PASSING THE AIR THROUGH A STEAM JET TO HEAT AND HUMIDIFY THE AIR, THEN THROUGH A WATER SPRAY TO WASH AND COOL THE AIR, THEN THROUGH A WATER TINE PATH TO REMOVE ENTRAINED MOISTURE PRIOR TO PASSING IT THROUGH SAID BED AND MAINTAINING SAID BED STATIONARY DURING VEGETATIVE GROWTH OF THE MICROORGANISMS.
Claim 2
Independent Claim
123 words
THE METHOD OF CULTIVATING MICROORGANISMS WHICH COMPRISES INOCULATING A STERILE SUBSTRATE MATERIAL CONSISTING ESSENTIALLY OF A FINELY DIVIDED SOLID WITH A LIQUID CULTURE OF THE MICROORGANISMS TO BE CULTIVATED, ARRANGING THE INOCULATED SUBSTRATE MATERIAL IN A STATIONARY POROUS UNCOMPACTED BED APPROXIMATELY THREE FEET IN DEPTH, PASSING INTO AND THROUGH SAID BED AND IN CONTACT WITH ALL PORTIONS THEREOF A STREAM OF AIR UNDE RA PRESSURE OF APPROXIMATELY 6 INCHES OF WATER, PASSING THE AIR THROUGH A STEAM JET TO HEAT AND HUMIDIFY THE AIR, THEN THROUGH A WATER SPRAY TO WASH AND COOL THE AIR, THEN THROUGH A WATER TINE PATH TO REMOVE ENTRAINED MOISTURE PRIOR TO PASSING IT THROUGH SAID BED AND MAINTAINING SAID BED STATIONARY DURING VEGETATIVE GROWTH OF THE MICROORGANISMS.
References Cited (Backward Citations)
US1756574A
Cited
US1961990A
Cited
GB536110A
Cited
US2440545A
Cited
US2491927A
Cited
GB746066A
Cited
US2867521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |