US2989403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canning processes
Assignee: Individual
•
Filing: 1958-06-11
•
Granted: 1961-06-20
•
Expires: 1978-06-11
Abstract
No abstract record available.
Inventors
- 👤 George J Malecki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:56
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/14; A23B7/153; A23B7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THE PROCESS OF PRESERVING COLOR IN CANNED GREEN VEGETABLES COMPRISING BLANCHING THE VEGETABLES WITH A CALCIUM SALT SOLUTION WHILE MAINTAINING THE PH OF THE BLANCHING SOLUTION WITHIN THE RANGE OF 7.5-9.0 AND THEREAFTER CANNING THE VEGETABLES IN A CANNING SOLUTION OF SUCH ALKALINITY THAT THE PH AFTER CANNING IS IN THE RANGE OF 8.0 TO 10.5.
Claim 2
Dependent Claim
56 words
THE PROCESS OF PRESERVING COLOR IN CANNED GREEN VEGETABLES COMPRISING BLANCHING THE VEGETABLES WITH A CALCIUM SALT SOLUTION WHILE MAINTAINING THE PH OF THE BLANCHING SOLUTION WITHIN THE RANGE OF 7.5-9.0 AND THEREAFTER CANNING THE VEGETABLES IN A CANNING SOLUTION OF SUCH ALKALINITY THAT THE PH AFTER CANNING IS IN THE RANGE OF 8.0 TO 10.5.
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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |