Patent US2312761A successfully refreshed from Google Patents.
US2434705A
Expired / Lapsed
US
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Gas compressor
Assignee: HENRY W JARRETT
•
Filing: 1944-09-09
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Granted: 1948-01-20
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Expires: 1964-09-09
Abstract
No abstract record available.
Inventors
- 👤 Lago Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:59
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/0005; F04B39/0011
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US680797A
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US957242A
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US1298664A
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GB126947A
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US1792449A
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US1736643A
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US2062052A
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US2258415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-19 | 1951-07-21 | 1952-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-19 | 1955-07-21 | 1956-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-19 | 1959-07-21 | 1960-01-20 | $7700.00 | Window Closed / Lapsed |