US2556739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milk agitating and dipping device
Assignee: BLANCHE H POLSEN
•
Filing: 1945-06-07
•
Granted: 1951-06-12
•
Expires: 1965-06-07
Abstract
No abstract record available.
Inventors
- 👤 Samuel D Polsen
- 👤 Nelson Sven Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:09
CPC Classifications
B; B67; B67D; B67D3/00; B67D3/0012; B67D3/0041; B67D3/0045; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19191; Y10T74/19195
Claims Analysis
Total Claims: 0
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US2378430A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |