US2670753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control unit for milking machines
Assignee: Individual
•
Filing: 1949-04-13
•
Granted: 1954-03-02
•
Expires: 1969-04-13
Abstract
No abstract record available.
Inventors
- 👤 Albert G Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:02
CPC Classifications
A; A01; A01J; A01J7/00; A01J7/005; Y; Y10; Y10T; Y10T137/00; Y10T137/7722
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US525816A
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US1053933A
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US1109800A
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US1151329A
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US1164304A
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US1387983A
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US1887078A
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US2212733A
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US2183835A
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US2516029A
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US2572658A
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US2558152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |