US2461935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated electrical resistances
Assignee: Huntington Alloys Corp
•
Filing: 1944-07-19
•
Granted: 1949-02-15
•
Expires: 1964-07-19
Abstract
No abstract record available.
Inventors
- 👤 Stockdale John
- 👤 Rison Donald Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:30
CPC Classifications
C; C23; C23C; C23C26/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB115700A
Cited
US734522A
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US1547395A
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US1578254A
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US1608694A
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US1792082A
Cited
US2156262A
Cited
US2081051A
Cited
US2402834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-15 | 1952-08-16 | 1953-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-15 | 1956-08-16 | 1957-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-15 | 1960-08-16 | 1961-02-15 | $7700.00 | Window Closed / Lapsed |