Patent US2670296A successfully refreshed from Google Patents.
US2670296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing quick-freezing and quick-cooking meat patties
Assignee: White Castle System Inc
•
Filing: 1951-04-09
•
Granted: 1954-02-23
•
Expires: 1971-04-09
Abstract
No abstract record available.
Inventors
- 👤 Leslie R Tansley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:19
CPC Classifications
A; A23; A23B; A23B4/00; A23B4/06; A23B4/062; A23B4/064; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/904; Y10S100/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
THE METHOD OF PRODUCING QUICK-FREEZING END QUICK-COOKING MEAT PATTIES WHICH COMPRISES EXTRUDING GROUND MEAT UNDER PRESSURE TO FORM A SUBSTANTIALLY HOMOGENEOUS, COMPACT COLUMN OF MEAT; FORMING IN THE INTERMEDIATE REGION OF SAID COLUMN AT LEAST ONE OPENING WHICH EXTENDS COMPLETELY THERETHROUGH; AND SEVERING SAID COLUMN TRANSVERSELY TO FORM A PLURALITY OF RELATIVELY THIN FLAT-SIDED MEAT PATTIES, EACH HAVING AN OPENING EXTENDING COMPLETELY THERETHROUGH FROM SIDE TO SIDE THEREOF.
Claim 2
Independent Claim
68 words
THE METHOD OF PRODUCING QUICK-FREEZING END QUICK-COOKING MEAT PATTIES WHICH COMPRISES EXTRUDING GROUND MEAT UNDER PRESSURE TO FORM A SUBSTANTIALLY HOMOGENEOUS, COMPACT COLUMN OF MEAT; FORMING IN THE INTERMEDIATE REGION OF SAID COLUMN AT LEAST ONE OPENING WHICH EXTENDS COMPLETELY THERETHROUGH; AND SEVERING SAID COLUMN TRANSVERSELY TO FORM A PLURALITY OF RELATIVELY THIN FLAT-SIDED MEAT PATTIES, EACH HAVING AN OPENING EXTENDING COMPLETELY THERETHROUGH FROM SIDE TO SIDE 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) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |