Patent US2980538A successfully refreshed from Google Patents.
US2980538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for washing curd for cottage cheese
Assignee: Hexion Inc
•
Filing: 1959-06-30
•
Granted: 1961-04-18
•
Expires: 1979-06-30
Abstract
No abstract record available.
Inventors
- 👤 Raymond B Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:55
CPC Classifications
A; A01; A01J; A01J25/00; A01J25/11; A01J25/118
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN WASHING WHEY FROM CURD FOR COTTAGE CHEESE AND QUICKLY CHILLING AND FIRMING THE CURD, THE PROCESS WHICH COMPRISES MOVING THE CURD IN LAYER FORM ON A DRAINING SUPPORT ALTERNATELY DOWN AND UP, INTO AND ABOVE A BATH OF REFRIGERATED WATER, AT A RATE TO CAUSE THE REFRIGERATED WATER TO MOVE ALTERNATIVELY UPWARDLY AND DOWNWARDLY IN SAID LAYER, SUBJECTING THE CURD AT POSITIONS ABOVE THE SAID BATH TO SPRAYED REFRIGERATED WATER, DRAINING THE SPRAYED WATER FROM THE CURD AND REPEATING THESE STEPS UNTIL THE WHEY IS WASHED FROM THE CURD AND THE WASHED CURD IS CHILLED TO FIRM CONDITION.
Claim 2
Dependent Claim
99 words
IN WASHING WHEY FROM CURD FOR COTTAGE CHEESE AND QUICKLY CHILLING AND FIRMING THE CURD, THE PROCESS WHICH COMPRISES MOVING THE CURD IN LAYER FORM ON A DRAINING SUPPORT ALTERNATELY DOWN AND UP, INTO AND ABOVE A BATH OF REFRIGERATED WATER, AT A RATE TO CAUSE THE REFRIGERATED WATER TO MOVE ALTERNATIVELY UPWARDLY AND DOWNWARDLY IN SAID LAYER, SUBJECTING THE CURD AT POSITIONS ABOVE THE SAID BATH TO SPRAYED REFRIGERATED WATER, DRAINING THE SPRAYED WATER FROM THE CURD AND REPEATING THESE STEPS UNTIL THE WHEY IS WASHED FROM THE CURD AND THE WASHED CURD IS CHILLED TO FIRM CONDITION.
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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |