Patent US2140106A successfully refreshed from Google Patents.
US2140106A
Expired / Lapsed
US
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Fluid coupling
Assignee: Wagner Electric Corp
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Filing: 1936-09-28
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Granted: 1938-12-13
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Expires: 1956-09-28
Abstract
No abstract record available.
Inventors
- 👤 John C Cox
- 👤 Werner F Boldt
- 👤 Thomas George Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:27
CPC Classifications
F; F16; F16D; F16D33/00; F16D33/18; F16D33/20; F16H; F16H41/00; F16H41/24; F16H2041/243; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4933
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) | 1941-12-12 | 1942-06-13 | 1942-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-12-12 | 1946-06-13 | 1946-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-12-12 | 1950-06-13 | 1950-12-13 | $7700.00 | Window Closed / Lapsed |