US2524425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change-speed gearing for mixers
Assignee: Individual
•
Filing: 1946-11-12
•
Granted: 1950-10-03
•
Expires: 1966-11-12
Abstract
No abstract record available.
Inventors
- 👤 Frank R Chester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:15
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/003; A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/08; A47J43/082; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19088; Y10T74/19098; Y10T74/19172; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/194
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US599508A
Cited
US1169902A
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US1552516A
Cited
US1905114A
Cited
US2013887A
Cited
AT138113B
Cited
US2299563A
Cited
US2325434A
Cited
US2372667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-02 | 1954-04-03 | 1954-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-02 | 1958-04-03 | 1958-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-02 | 1962-04-03 | 1962-10-03 | $7700.00 | Window Closed / Lapsed |