Patent US3099484A successfully refreshed from Google Patents.
Patent US1297946A successfully refreshed from Google Patents.
US1297946A
Expired / Lapsed
US
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Process for securing metals from their compounds.
Assignee: Individual
•
Filing: 1915-01-11
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Granted: 1919-03-18
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Expires: 1935-01-11
Abstract
No abstract record available.
Inventors
- 👤 Victor M Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:42
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/06; C25C3/14
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) | 1922-03-17 | 1922-09-16 | 1923-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-03-17 | 1926-09-16 | 1927-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-03-17 | 1930-09-16 | 1931-03-18 | $7700.00 | Window Closed / Lapsed |