US2702245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of feathers
Assignee: RUSSEL BURGER
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Filing: 1949-01-27
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Granted: 1955-02-15
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Expires: 1969-01-27
Abstract
No abstract record available.
Inventors
- 👤 Edward J Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:15
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/10; Y; Y10; Y10S; Y10S426/00; Y10S426/807; Y10S530/00; Y10S530/827; Y10S530/859
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE METHOD OF PRODUCING A FOOD INGREDIENT FOR ANIMALS AND PLANTS RELATIVELY HIGH IN PROTEINS AND CARBOHYDRATES AND LOW IN FIBER CONTENT COMPRISING CONFINING MOIST FEATHERS, IN THE PRESENCE OF MOISTURE ONLY IN SUBSTANTIALLY CLOSED VESSEL, APPLYING ABOUT 250 DEGREES FAHREHEIT OF HEAT TO SAID VESSEL WHILE MAINTAINING THE PRESSURE OF STEAM DEVELOPED WITHIN THE VESSEL FROM THE MOISTURE AT ABOUT 30 POUNDS GAUGE PRESSURE AND AGITATING FOR ABOUT ONE AND ONE-HALF HOURS, THEN RELEASING THE PRESSURE AND CONTINUING THE APPLICATION OF HEAT AND AGITATION UNTIL SUBSTANTIALLY ALL BUT ABOUT 6 TO 14 PER CENT OF THE MOISTURE IS DRIVEN OFF.
Claim 2
Independent Claim
101 words
THE METHOD OF PRODUCING A FOOD INGREDIENT FOR ANIMALS AND PLANTS RELATIVELY HIGH IN PROTEINS AND CARBOHYDRATES AND LOW IN FIBER CONTENT COMPRISING CONFINING MOIST FEATHERS, IN THE PRESENCE OF MOISTURE ONLY IN SUBSTANTIALLY CLOSED VESSEL, APPLYING ABOUT 250 DEGREES FAHREHEIT OF HEAT TO SAID VESSEL WHILE MAINTAINING THE PRESSURE OF STEAM DEVELOPED WITHIN THE VESSEL FROM THE MOISTURE AT ABOUT 30 POUNDS GAUGE PRESSURE AND AGITATING FOR ABOUT ONE AND ONE-HALF HOURS, THEN RELEASING THE PRESSURE AND CONTINUING THE APPLICATION OF HEAT AND AGITATION UNTIL SUBSTANTIALLY ALL BUT ABOUT 6 TO 14 PER CENT OF THE MOISTURE IS DRIVEN OFF.
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) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |