US1292582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of reclaiming turnings of readily-oxidizable metals.
Assignee: Westinghouse Electric Corp
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Filing: 1915-09-22
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Granted: 1919-01-28
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Expires: 1935-09-22
Abstract
No abstract record available.
Inventors
- 👤 John Coulson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:15
CPC Classifications
C; C22; C22B; C22B26/00; C22B26/20; C22B26/22; Y; Y10; Y10S; Y10S266/00; Y10S266/90; Y10S266/901
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) | 1922-01-27 | 1922-07-29 | 1923-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-01-27 | 1926-07-29 | 1927-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-01-27 | 1930-07-29 | 1931-01-28 | $7700.00 | Window Closed / Lapsed |