US3275449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of agglomerating solid particulate material
Assignee: Pillsbury Co
•
Filing: 1962-06-26
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Granted: 1966-09-27
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Expires: 1982-06-26
Abstract
No abstract record available.
Inventors
- 👤 Edward L Fritzberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:21
CPC Classifications
A; A21; A21D; A21D6/00; A21D6/006; A23; A23C; A23C9/00; A23C9/16; A23P; A23P10/00; A23P10/20; B; B01; B01J; B01J2/00; B01J2/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METHOD OF AGGLOMERATING COMPRISING FORMULA A MIXTURE OF SOLID PARTICULATE MATERIAL TO BE AGGLOMERATED AND FROZEN PARTICULATED LIQUID IN AN AMOUNT CAPABLE OF BRINGING THE FINAL MOISTURE CONTENT TO BETWEEN ABOUT 5 AND 50% BY WEIGHT OF THE MIXTURE, AND MELTING THE FROZEN PARTICLES IN THE MIXTURE AND CONVERTING SAME TO LIQUID FORM WHEREBY THE LIQUID FORMS ADHESIVE SURFACES ON THE SOLID PARTICLES AND THE ADHESIVE PARTICLES ARE BONDED TOGETHER IN THE FORM AGGLOMERATES.
Claim 2
Independent Claim
75 words
A METHOD OF AGGLOMERATING COMPRISING FORMULA A MIXTURE OF SOLID PARTICULATE MATERIAL TO BE AGGLOMERATED AND FROZEN PARTICULATED LIQUID IN AN AMOUNT CAPABLE OF BRINGING THE FINAL MOISTURE CONTENT TO BETWEEN ABOUT 5 AND 50% BY WEIGHT OF THE MIXTURE, AND MELTING THE FROZEN PARTICLES IN THE MIXTURE AND CONVERTING SAME TO LIQUID FORM WHEREBY THE LIQUID FORMS ADHESIVE SURFACES ON THE SOLID PARTICLES AND THE ADHESIVE PARTICLES ARE BONDED TOGETHER IN THE FORM AGGLOMERATES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |