US1718563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of metals
Assignee: General Electric Co
•
Filing: 1925-04-17
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Granted: 1929-06-25
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Expires: 1945-04-17
Abstract
No abstract record available.
Inventors
- 👤 Floyd C Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:29
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/28; C23C10/34; C23C10/52; C23C10/54; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854; Y10T428/12861; Y10T428/12951; Y10T428/12958
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) | 1932-06-24 | 1932-12-24 | 1933-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-06-24 | 1936-12-24 | 1937-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-06-24 | 1940-12-24 | 1941-06-25 | $7700.00 | Window Closed / Lapsed |