US2684634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guiding means for liquids and gases
Assignee: Financiere D'expansion Commerciale Et Industrielle S A "sfindex " Ste
•
Filing: 1948-02-26
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Granted: 1954-07-27
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Expires: 1968-02-26
Abstract
No abstract record available.
Inventors
- 👤 Schneider August Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:19
CPC Classifications
F; F03; F03B; F03B5/00; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10S; Y10S415/00; Y10S415/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |