US1698602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of hydrocarbons
Assignee: IG Farbenindustrie AG
•
Filing: 1928-02-17
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Granted: 1929-01-08
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Expires: 1948-02-17
Abstract
No abstract record available.
Inventors
- 👤 Mittasch Alwin
- 👤 Muller Carl
- 👤 Schlecht Leo
- 👤 Schubardt Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:16
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/0445; B; B01; B01J; B01J23/00; B01J23/70; B01J37/00; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/745; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/943
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) | 1932-01-08 | 1932-07-09 | 1933-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-01-08 | 1936-07-09 | 1937-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-01-08 | 1940-07-09 | 1941-01-08 | $7700.00 | Window Closed / Lapsed |