Patent US4054279A successfully refreshed from Google Patents.
Patent US2842064A successfully refreshed from Google Patents.
US2842064A
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US
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Hydraulic pressure unit
Assignee: Individual
•
Filing: 1954-05-24
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Granted: 1958-07-08
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Expires: 1974-05-24
Abstract
No abstract record available.
Inventors
- 👤 Gunnar A Wahlmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:35
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/18; F04C14/20; F04C15/00; F04C15/0003; F04C15/0023; F04C15/0042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
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US2691482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |