US2345586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic fluid
Assignee: Packard Motor Car Co
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Filing: 1940-08-03
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Granted: 1944-04-04
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Expires: 1960-08-03
Abstract
No abstract record available.
Inventors
- 👤 John M Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:36
CPC Classifications
C; C10; C10M; C10M3/00; C10M2201/00; C10M2201/087; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/062; C10N; 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) | 1947-04-04 | 1947-10-04 | 1948-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-04-04 | 1951-10-04 | 1952-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-04-04 | 1955-10-04 | 1956-04-04 | $7700.00 | Window Closed / Lapsed |