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US2595618A
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Two pump system
Assignee: Old Carco LLC
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Filing: 1947-07-25
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Granted: 1952-05-06
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Expires: 1967-07-25
Abstract
No abstract record available.
Inventors
- 👤 Paul R Vogt
- 👤 Jr Brent C Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:05
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1658307A
Cited
US2432502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |