US2562102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of pentaerythritol
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1946-09-05
•
Granted: 1951-07-24
•
Expires: 1966-09-05
Abstract
No abstract record available.
Inventors
- 👤 Jackson Harry
- 👤 Jones Griffith Glyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:45
CPC Classifications
C; C07; C07C; C07C31/00; C07C31/18; C07C31/24; C07C31/245
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2152371A
Cited
US2292926A
Cited
US2240734A
Cited
US2325589A
Cited
US2372602A
Cited
US2401749A
Cited
US2369083A
Cited
US2360186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |