US2420127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion preventive composition
Assignee: —
•
Filing: —
•
Granted: 1947-05-06
•
Expires: 1964-05-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:29
CPC Classifications
C; C10; C10M; C10M125/00; C10M125/14; C10M101/00; C10M101/04; C10M125/10; C10M2201/00; C10M2201/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189610864A
Cited
GB190927135A
Cited
US1240566A
Cited
US1932156A
Cited
US2008419A
Cited
US2329474A
Cited
US2283931A
Cited
US2327450A
Cited
US2359738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-05 | 1950-11-04 | 1951-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-05 | 1954-11-04 | 1955-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-05 | 1958-11-04 | 1959-05-06 | $7700.00 | Window Closed / Lapsed |