US2949925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water separator for compressed air lines
Assignee: Stewart Warner Corp
•
Filing: 1958-03-06
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Granted: 1960-08-23
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Expires: 1978-03-06
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:21
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/12; F16T1/14; B; B01; B01D; B01D45/00; B01D45/04; B01D45/08; F16T1/20; F16T1/22; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/3052; Y10T137/3068; Y10T137/3077; Y10T137/3102; Y10T137/3105; Y10T137/7287; Y10T137/7358; Y10T137/7368; Y10T137/7371; Y10T137/7374; Y10T137/8593; Y10T137/86348
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |