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Patent US2940425A successfully refreshed from Google Patents.
US2940425A
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Electric calf weaner
Assignee: Individual
•
Filing: 1958-09-17
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Granted: 1960-06-14
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Expires: 1978-09-17
Abstract
No abstract record available.
Inventors
- 👤 Walter H Dykens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:06
CPC Classifications
A; A01; A01K; A01K19/00; F; F15; F15B; F15B9/00; F15B9/02; F15B9/08; F15B9/10; Y; Y10; Y10S; Y10S119/00; Y10S119/908
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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |