Patent US3253393A successfully refreshed from Google Patents.
Patent US4227729A successfully refreshed from Google Patents.
Patent US2318898A successfully refreshed from Google Patents.
US2318898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized wax composition
Assignee: Wyeth Holdings LLC
•
Filing: 1940-08-03
•
Granted: 1943-05-11
•
Expires: 1960-08-03
Abstract
No abstract record available.
Inventors
- 👤 Harold W Stiegler
- 👤 John M Hood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:03
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41
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) | 1946-05-10 | 1946-11-09 | 1947-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-10 | 1950-11-09 | 1951-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-10 | 1954-11-09 | 1955-05-11 | $7700.00 | Window Closed / Lapsed |