US2299502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal mixer
Assignee: Farrel Birmingham Co Inc
•
Filing: 1942-01-29
•
Granted: 1942-10-20
•
Expires: 1962-01-29
Abstract
No abstract record available.
Inventors
- 👤 Carl F Schnuck
- 👤 Oliver W Hooker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:59
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/02; B29B7/22; B29B7/26; B29B7/263; B29B7/266; B29B7/06; B29B7/10; B29B7/18; B29B7/183; Y; Y10; Y10T; Y10T292/00; Y10T292/71
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) | 1945-10-19 | 1946-04-20 | 1946-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-19 | 1950-04-20 | 1950-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-19 | 1954-04-20 | 1954-10-20 | $7700.00 | Window Closed / Lapsed |