US2663645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating popcorn
Assignee: Individual
•
Filing: 1951-03-03
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Granted: 1953-12-22
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Expires: 1971-03-03
Abstract
No abstract record available.
Inventors
- 👤 Park Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:15
CPC Classifications
A; A23; A23L; A23L5/00; A23L5/40; A23L5/42; A23L7/00; A23L7/10; A23L7/161; A23L7/174; A23L7/183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE METHOD OF TREATING UNPOPPED CORN KERNELS WHICH COMPRISES PREPARING AN AQUEOUS SOLUTION CONTAINING A NON-TOXIC OIL SOLVENT AND A NON-TOXIC DYE, HEATING SAID SOLUTION TO APPROXIMATELY ITS BOILING POINT, EXPOSING SAID KERNELS TO SAID SOLUTION, THEN WASHING SAID KERNELS WITH WATER UNTIL NO TRACES OF DYE REMAIN, DRAINING SAID KERNELS, DRYING SAID DAMP KERNELS UNTIL THE MOISTURE CONTENT THEREOF IS REDUCED TO A PREDETERMINED PERCENTAGE, AND FINALLY AGING SAID KERNELS.
Claim 2
Independent Claim
71 words
THE METHOD OF TREATING UNPOPPED CORN KERNELS WHICH COMPRISES PREPARING AN AQUEOUS SOLUTION CONTAINING A NON-TOXIC OIL SOLVENT AND A NON-TOXIC DYE, HEATING SAID SOLUTION TO APPROXIMATELY ITS BOILING POINT, EXPOSING SAID KERNELS TO SAID SOLUTION, THEN WASHING SAID KERNELS WITH WATER UNTIL NO TRACES OF DYE REMAIN, DRAINING SAID KERNELS, DRYING SAID DAMP KERNELS UNTIL THE MOISTURE CONTENT THEREOF IS REDUCED TO A PREDETERMINED PERCENTAGE, AND FINALLY AGING SAID KERNELS.
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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |