US3446543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of dispensing milk filter disks and apparatus therefor
Assignee: Individual
•
Filing: 1966-05-02
•
Granted: 1969-05-27
•
Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Robert J Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:31
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/08; A; A47; A47F; A47F1/00; A47F1/04; A47F1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1225728A
Cited
US2289099A
Cited
US2340090A
Cited
US2295313A
Cited
US2475738A
Cited
US2486973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |