Patent US2693665A successfully refreshed from Google Patents.
US2693665A
Expired / Lapsed
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Production of mushroom mycelium by submerged culture in a liquid medium
Assignee: Individual
•
Filing: 1948-01-23
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Granted: 1954-11-09
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Expires: 1968-01-23
Abstract
No abstract record available.
Inventors
- 👤 Humfeld Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:58
CPC Classifications
A; A01; A01G; A01G18/00; A01G18/40; A01G18/20; A01G18/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
57 words
A PROCESS FOR GROWING MUSHROOM MYCELIUM, A FOODSTUFF, COMPRISING INOCULATING A STERILE, LIQUID, ORGANICMATERIAL CONTAINING NUTRIENT MEDIUM WITH MUSHROOM TISSUE, FORCING AIR INTO THE CULTURE BENEATH THE SURFACE THEREOF, AGITATING THE CULTURE BY STIRRING TO DISPERSE THE AIR INTO THE CULTURE, AND CONTINUING GROWTH UNDER AGITATED, AERATED, SUBMERGED CONDITIONS UNTIL A SUBSTANTIAL AMOUNT OF MYCELIUM IS PRODUCED.
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) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |