US2958394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic moisture extractor for compressed air lines
Assignee: Individual
•
Filing: 1957-09-23
•
Granted: 1960-11-01
•
Expires: 1977-09-23
Abstract
No abstract record available.
Inventors
- 👤 John B Woodmansee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:42
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/12; F16T1/14; B; B01; B01D; B01D45/00; B01D45/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2557
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1612526A
Cited
US2036106A
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US2126140A
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US2261026A
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DE761397C
Cited
US2709524A
Cited
US2822887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |