US2466700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper base alloy
Assignee: Individual
•
Filing: 1944-12-04
•
Granted: 1949-04-12
•
Expires: 1964-12-04
Abstract
No abstract record available.
Inventors
- 👤 Vladimir A Grodsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:08
CPC Classifications
C; C22; C22C; C22C9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US217946A
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US646119A
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US646118A
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US1286921A
Cited
US1652107A
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US2018417A
Cited
US2040055A
Cited
US2079481A
Cited
US2229117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |