US1421571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-operated churn
Assignee: Individual
•
Filing: 1919-10-03
•
Granted: 1922-07-04
•
Expires: 1939-10-03
Abstract
No abstract record available.
Inventors
- 👤 John M Rodger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:35
CPC Classifications
A; A01; A01J; A01J15/00; A01J15/04; A01J15/06; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18416; Y10T74/18488; Y10T74/18504
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) | 1925-07-03 | 1926-01-02 | 1926-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-07-03 | 1930-01-02 | 1930-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-07-03 | 1934-01-02 | 1934-07-04 | $7700.00 | Window Closed / Lapsed |