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US2863965A
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Assignee: Metals and Controls Corp
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Filing: 1956-05-22
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Granted: 1958-12-09
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Expires: 1976-05-22
Abstract
No abstract record available.
Inventors
- 👤 Wilfred W Cardin
- 👤 Epstein Henry David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:11
CPC Classifications
H; H01; H01H; H01H77/00; H01H77/02; H01H77/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1767709A
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US2032136A
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US2293179A
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US2300530A
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US2345451A
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US2371672A
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US2467745A
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US2617909A
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US2757256A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |