US1846865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for milking machines
Assignee: De Laval Separator Co
•
Filing: 1931-02-14
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Granted: 1932-02-23
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Expires: 1951-02-14
Abstract
No abstract record available.
Inventors
- 👤 Hapgood Cyrus Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:43
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/08; F16K11/083; A; A01; A01J; A01J5/00; A01J5/04; A01J5/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86558; Y10T137/86566; Y10T137/86831
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-02-22 | 1935-08-24 | 1936-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-02-22 | 1939-08-24 | 1940-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-02-22 | 1943-08-24 | 1944-02-23 | $7700.00 | Window Closed / Lapsed |