US2547169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure providing device
Assignee: Joy Manufacturing Co
•
Filing: 1944-11-23
•
Granted: 1951-04-03
•
Expires: 1964-11-23
Abstract
No abstract record available.
Inventors
- 👤 Win W Paget
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:36
CPC Classifications
F; F04; F04C; F04C28/00; F04C28/24; F04C28/26; F04C28/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1508707A
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US1523698A
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US1753280A
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GB308445A
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US2205793A
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US2114719A
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US2208554A
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US2208428A
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US2246932A
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US2477003A
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US2484848A
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US2444951A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |