Patent US2683437A successfully refreshed from Google Patents.
US2683437A
Expired / Lapsed
US
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Milking system
Assignee: Babson Brothers Co
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Filing: 1950-11-01
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Granted: 1954-07-13
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Expires: 1970-11-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Merritt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:35
CPC Classifications
A; A01; A01J; A01J5/00; A01J5/04; A01J5/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |