US2489642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving unit
Assignee: Mixing Equipment Co Inc
•
Filing: 1945-12-03
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Granted: 1949-11-29
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Expires: 1965-12-03
Abstract
No abstract record available.
Inventors
- 👤 Herman C Hesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:13
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/025; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1401349A
Cited
USRE17838E
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US851419A
Cited
DE399284C
Cited
US1758267A
Cited
US1843875A
Cited
US2001675A
Cited
US2124319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-28 | 1953-05-30 | 1953-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-28 | 1957-05-30 | 1957-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-28 | 1961-05-30 | 1961-11-29 | $7700.00 | Window Closed / Lapsed |