Patent US3299675A successfully refreshed from Google Patents.
Patent US2070186A successfully refreshed from Google Patents.
US2070186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal alloys and processes of making the same
Assignee: BUFFALO ELECTRIC FURNACE Corp
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Filing: 1936-01-18
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Granted: 1937-02-09
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Expires: 1956-01-18
Abstract
No abstract record available.
Inventors
- 👤 Gilbert E Seil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:21
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/02; C22B; C22B4/00; C30; C30B; C30B9/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12222
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) | 1940-02-09 | 1940-08-10 | 1941-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-09 | 1944-08-10 | 1945-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-09 | 1948-08-10 | 1949-02-09 | $7700.00 | Window Closed / Lapsed |