US2742876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum container milking system and apparatus therefor
Assignee: Zero Manufacturing Co
•
Filing: 1954-04-26
•
Granted: 1956-04-24
•
Expires: 1974-04-26
Abstract
No abstract record available.
Inventors
- 👤 George R Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:33
CPC Classifications
A; A01; A01J; A01J5/00; A01J5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1987917A
Cited
US2024639A
Cited
GB636525A
Cited
US2515767A
Cited
US2557252A
Cited
US2498401A
Cited
US2512094A
Cited
US2690061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |