US2863465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for metal cleaning by molten salt baths
Assignee: Kolene Corp
•
Filing: 1955-01-10
•
Granted: 1958-12-09
•
Expires: 1975-01-10
Abstract
No abstract record available.
Inventors
- 👤 Robert H Shoemaker
- 👤 John A Faler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:20
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/28; B; B08; B08B; B08B3/00; B08B3/04; B08B3/08; C23G3/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |