Patent US2426512A successfully refreshed from Google Patents.
US2426512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coatings
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1944-10-28
•
Granted: 1947-08-26
•
Expires: 1964-10-28
Abstract
No abstract record available.
Inventors
- 👤 Charles B Large
- 👤 Maurice J Zucrow
- 👤 Robert L Hirsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:13
CPC Classifications
C; C09; C09D; C09D115/00; C09D115/02; C08; C08K; C08K5/00; C08K5/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-25 | 1951-02-24 | 1951-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-25 | 1955-02-24 | 1955-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-25 | 1959-02-24 | 1959-08-26 | $7700.00 | Window Closed / Lapsed |