US2453877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic torque converter of the converter coupling type
Assignee: Fuller Manufacturing Co
•
Filing: 1944-07-10
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Granted: 1948-11-16
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Expires: 1964-07-10
Abstract
No abstract record available.
Inventors
- 👤 Herbert H Trall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:31
CPC Classifications
F; F16; F16H; F16H41/00; F16H41/24; F16H41/30; Y; Y10; Y10S; Y10S60/00; Y10S60/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2143312A
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US1923404A
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US1970236A
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GB446530A
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US2100191A
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US2241764A
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US2128828A
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US2224884A
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DE687658C
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US2363983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-16 | 1952-05-17 | 1952-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-16 | 1956-05-17 | 1956-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-16 | 1960-05-17 | 1960-11-16 | $7700.00 | Window Closed / Lapsed |