US1866514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for preparing pressure gases
Assignee: FLUGA AKTIEN GES
•
Filing: 1927-10-05
•
Granted: 1932-07-05
•
Expires: 1947-10-05
Abstract
No abstract record available.
Inventors
- 👤 Heylandt Christian Wilhel Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:41
CPC Classifications
F; F17; F17C; F17C7/00; F17C7/02; F17C7/04; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/03; F17C2201/032; F17C2201/05; F17C2201/056; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2225/00; F17C2225/01; F17C2225/0107; F17C2225/0123; F17C2227/00; F17C2227/03; F17C2227/0367; F17C2227/0369; F17C2227/0376; F17C2227/0383; F17C2227/0388; F17C2227/0393; Y; Y10; Y10S; Y10S62/00; Y10S62/902; Y10S62/905
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1935-07-05 | 1936-01-04 | 1936-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-07-05 | 1940-01-04 | 1940-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-07-05 | 1944-01-04 | 1944-07-05 | $7700.00 | Window Closed / Lapsed |