US2398187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic fluid
Assignee: Corning Glass Works
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Filing: 1943-06-11
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Granted: 1946-04-09
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Expires: 1963-06-11
Abstract
No abstract record available.
Inventors
- 👤 Mcgregor Rob Roy
- 👤 Warrick Earl Leathen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:46
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/006; C; C08; C08L; C08L83/00; C08L83/04; C10; C10M; C10M3/00; C08G; C08G77/00; C08G77/04; C08G77/20; C08G77/22; C08G77/24; C08G77/70; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062; C10M2215/064; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/08
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) | 1949-04-08 | 1949-10-08 | 1950-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-08 | 1953-10-08 | 1954-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-08 | 1957-10-08 | 1958-04-09 | $7700.00 | Window Closed / Lapsed |