Patent US1515658A successfully refreshed from Google Patents.
US1515658A
Expired / Lapsed
US
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Process for coating aluminum
Assignee: Individual
•
Filing: 1919-12-04
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Granted: 1924-11-18
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Expires: 1939-12-04
Abstract
No abstract record available.
Inventors
- 👤 Cole Thomas Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:55
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/38; C23C18/1601; C23C18/1633; C23C18/1675; C23C18/1676; C23C18/18; C23C18/1803; C23C18/1848; C25; C25D; C25D5/00; C25D5/34; C25D5/42; C25D5/44
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) | 1927-11-18 | 1928-05-19 | 1928-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-11-18 | 1932-05-19 | 1932-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-11-18 | 1936-05-19 | 1936-11-18 | $7700.00 | Window Closed / Lapsed |