Patent US1484088A successfully refreshed from Google Patents.
US1484088A
Expired / Lapsed
US
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Lead compound and process of forming the same
Assignee: ACME WHITE LEAD AND COLOR WORK
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Filing: 1920-10-18
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Granted: 1924-02-19
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Expires: 1940-10-18
Abstract
No abstract record available.
Inventors
- 👤 John W Schumacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:57
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/14; C09C1/20; C01; C01P; C01P2002/00; C01P2002/02; C01P2006/00; C01P2006/60
Claims Analysis
Total Claims: 0
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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) | 1927-02-18 | 1927-08-20 | 1928-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-02-18 | 1931-08-20 | 1932-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-02-18 | 1935-08-20 | 1936-02-19 | $7700.00 | Window Closed / Lapsed |