US2422850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic coupling type of variablespeed transmission
Assignee: Bendix Aviation Corp
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Filing: 1943-10-26
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Granted: 1947-06-24
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Expires: 1963-10-26
Abstract
No abstract record available.
Inventors
- 👤 Finley R Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:52
CPC Classifications
F; F16; F16D; F16D67/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19149; Y10T74/19153
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1855032A
Cited
US1881082A
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GB405288A
Cited
US2049673A
Cited
US2187667A
Cited
US2289440A
Cited
US2212774A
Cited
US2317938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-23 | 1950-12-23 | 1951-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-23 | 1954-12-23 | 1955-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-23 | 1958-12-23 | 1959-06-24 | $7700.00 | Window Closed / Lapsed |