Patent US2558152A successfully refreshed from Google Patents.
US2558152A
Expired / Lapsed
US
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Control unit for milking machines
Assignee: Individual
•
Filing: 1948-10-30
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Granted: 1951-06-26
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Expires: 1968-10-30
Abstract
No abstract record available.
Inventors
- 👤 Albert G Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:49
CPC Classifications
A; A01; A01J; A01J7/00; A01J7/005; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7869; Y10T137/7879; Y10T137/788
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1100829A
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US1109800A
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US1104508A
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US1387983A
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US1546998A
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US2197995A
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US2216296A
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US2245030A
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US2305840A
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US2396544A
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US2387660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |