US3219453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duck feeds
Assignee: Commercial Solvents Corp
•
Filing: 1961-08-04
•
Granted: 1965-11-23
•
Expires: 1981-08-04
Abstract
No abstract record available.
Inventors
- 👤 Philip D Bogdonoff
- 👤 George W Thrasher
- 👤 Jess N Henson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:50
CPC Classifications
A; A23; A23K; A23K20/00; A23K20/10; A23K20/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A PROCESS FOR INCREASING THE RATE OF GROWTH OF DUCKS, WHICH COMPRISES FEEDING SAID DUCKS A COMPLETE NUTRIENT FEED RATION CONTAINING PROPIONIC ACID IN A SMALL BUT EFFECTIVE AMOUNT TO PRODUCE WEIGHT GAIN AND IMPROVE FEED CONVERSION.
Claim 2
Dependent Claim
37 words
A PROCESS FOR INCREASING THE RATE OF GROWTH OF DUCKS, WHICH COMPRISES FEEDING SAID DUCKS A COMPLETE NUTRIENT FEED RATION CONTAINING PROPIONIC ACID IN A SMALL BUT EFFECTIVE AMOUNT TO PRODUCE WEIGHT GAIN AND IMPROVE FEED CONVERSION.
References Cited (Backward Citations)
US2965488A
Cited
US2946722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |