US1910024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat insulation for apparatus working at very low temperatures
Assignee: Air Liquide SA
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Filing: 1931-06-30
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Granted: 1933-05-23
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Expires: 1951-06-30
Abstract
No abstract record available.
Inventors
- 👤 Rouge Jean Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:59
CPC Classifications
C; C01; C01B; C01B3/00; F; F17; F17C; F17C13/00; F17C13/001; F25; F25J; F25J3/00; F25J3/02; F25J3/04; F25J3/04763; F25J3/04866; F25J3/04945; Y; Y10; Y10S; Y10S220/00; Y10S220/09; Y10S62/00; Y10S62/13; Y10S62/902; Y10S62/905; Y10S62/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-05-22 | 1936-11-21 | 1937-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-22 | 1940-11-21 | 1941-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-22 | 1944-11-21 | 1945-05-23 | $7700.00 | Window Closed / Lapsed |