US2985108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor purging pump
Assignee: Curtiss Wright Corp
•
Filing: 1957-09-16
•
Granted: 1961-05-23
•
Expires: 1977-09-16
Abstract
No abstract record available.
Inventors
- 👤 Willis A Stoner
- 👤 Dean A Rains
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:28
CPC Classifications
F; F04; F04D; F04D17/00; F04D17/02; B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/16; F04D9/00; F04D9/001; F04D9/002; F04D9/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2480435A
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US2575568A
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US2663424A
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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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |