US3520697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous production of curd
Assignee: National Research Development Corp UK
•
Filing: 1968-03-18
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Granted: 1970-07-14
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Expires: 1988-03-18
Abstract
No abstract record available.
Inventors
- 👤 Norman James Berridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:05
CPC Classifications
A; A23; A23C; A23C19/00; A23C19/02; A23C19/028; A23C19/0285; A01; A01J; A01J25/00; A01J25/002; A23C19/024; B; B01; B01D; B01D61/00; B01D61/14; B01D63/00; B01D63/06; B01D63/08; B01D63/087; B01D71/00; B01D71/06; B01D71/08; B01D71/10; B01D71/12
Claims Analysis
Total Claims: 0
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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) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |