US2471769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Whipping machine
Assignee: Individual
•
Filing: 1946-01-04
•
Granted: 1949-05-31
•
Expires: 1966-01-04
Abstract
No abstract record available.
Inventors
- 👤 Frank S Nanna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:17
CPC Classifications
A; A23; A23G; A23G3/00; A23G3/02; A23G3/0205; A23G3/0215; A23G3/0221; B; B01; B01F; B01F27/00; B01F27/60; B01F27/70; B01F27/707
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US63873A
Cited
US338121A
Cited
US998048A
Cited
CH90953A
Cited
GB389289A
Cited
US2146618A
Cited
US2217318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |