US1695430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agent for cleaning and imparting rust-inhibitive properties to steel
Assignee: Individual
•
Filing: 1924-06-27
•
Granted: 1928-12-18
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Expires: 1944-06-27
Abstract
No abstract record available.
Inventors
- 👤 James D Klinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:13
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/02; C23G1/08; C23G1/088; C11; C11D; C11D3/00; C11D3/0005; C11D3/0073; C11D7/00; C11D7/02; C11D7/04; C11D7/08; C11D7/22; C11D7/26; C11D7/265; C11D7/50; C11D7/5004; C11D7/5022
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) | 1931-12-18 | 1932-06-18 | 1932-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-12-18 | 1936-06-18 | 1936-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-12-18 | 1940-06-18 | 1940-12-18 | $7700.00 | Window Closed / Lapsed |