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Patent US2684732A successfully refreshed from Google Patents.
US2684732A
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Reverser for lubricating systems
Assignee: TRABON ENGINEERING Corp
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Filing: 1949-08-30
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Granted: 1954-07-27
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Expires: 1969-08-30
Abstract
No abstract record available.
Inventors
- 👤 Robert L Harter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:40
CPC Classifications
F; F16; F16N; F16N25/00; F16N25/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US18225A
Cited
US343569A
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US401924A
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US1041697A
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US1920003A
Cited
US2022005A
Cited
US2182908A
Cited
US2380315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |