Patent US3504182A successfully refreshed from Google Patents.
US2486085A
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US
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Method and machine for feeding ring contacts in base making
Assignee: Westinghouse Electric Corp
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Filing: 1942-08-26
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Granted: 1949-10-25
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Expires: 1962-08-26
Abstract
No abstract record available.
Inventors
- 👤 James B Whitmore
- 👤 Louis D Morand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:09
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/46; H01J2893/00; H01J2893/0096
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1210238A
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US1227244A
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US1536740A
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US1712670A
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US1826505A
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US1990258A
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US2157051A
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US2120877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |