US2544273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fermentation activation
Assignee: SEWERAGE COMMISSION OF CIT
•
Filing: 1949-01-21
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Granted: 1951-03-06
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Expires: 1969-01-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl Shelley Miner
- 👤 Wolnak Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:28
CPC Classifications
C; C12; C12P; C12P7/00; C12P7/02; C12P7/04; C12P7/06; C12N; C12N1/00; C12N1/38; Y; Y02; Y02E; Y02E50/00; Y02E50/10; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/853; Y10S435/854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A FERMENTATION MEDIUM COMPRISING A FERMENTABLE CARBOHYDRATE AND A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF A SLUDGE RESULTING FROM THE MICROBIOLOGICAL TREATMENT OF SEWAGE AND A HYDROLYSATE THEREOF.
Claim 2
Dependent Claim
29 words
A FERMENTATION MEDIUM COMPRISING A FERMENTABLE CARBOHYDRATE AND A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF A SLUDGE RESULTING FROM THE MICROBIOLOGICAL TREATMENT OF SEWAGE AND A HYDROLYSATE THEREOF.
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) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |