US3438131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating whey from curd and discharging it into molds
Assignee: BEDRIJVEN VAN HET NEDERLANDS INST VOOR ZUIVELONDERZOEK
•
Filing: 1967-04-10
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Granted: 1969-04-15
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Expires: 1987-04-10
Abstract
No abstract record available.
Inventors
- 👤 Jacob Ubbels
- 👤 Hermannes Jan Staal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:08
CPC Classifications
A; A01; A01J; A01J25/00; A01J25/11; A01J25/111; A01J25/112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2781269A
Cited
US2851776A
Cited
US2917827A
Cited
US3032877A
Cited
US3142904A
Cited
US3217411A
Cited
US3242571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |