US2344671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Higher molecular alcohols
Assignee: AMERICAN HYALSOL Corp
•
Filing: 1938-09-03
•
Granted: 1944-03-21
•
Expires: 1958-09-03
Abstract
No abstract record available.
Inventors
- 👤 Bertsch Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:32
CPC Classifications
A; A61; A61Q; A61Q1/00; A61Q1/02; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/044; A61K8/18; A61K8/30; A61K8/33; A61K8/34; A61K8/342; B; B41; B41N; B41N1/00; B41N1/24; B41N1/243; D; D01; D01F; D01F2/00; D01F2/06; D01F2/08; D06; D06M; D06M13/00; D06M13/10; D06M13/144; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/06; Y; Y10; Y10S; Y10S516/00; Y10S516/01
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) | 1947-03-21 | 1947-09-20 | 1948-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-03-21 | 1951-09-20 | 1952-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-03-21 | 1955-09-20 | 1956-03-21 | $7700.00 | Window Closed / Lapsed |