Patent US2634358A successfully refreshed from Google Patents.
US2634358A
Expired / Lapsed
US
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Collector ring assembly
Assignee: Maytag Corp
•
Filing: 1950-05-13
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Granted: 1953-04-07
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Expires: 1970-05-13
Abstract
No abstract record available.
Inventors
- 👤 William F Duckstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:27
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/20; D06F58/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1496356A
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US1629942A
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US1629943A
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US1761832A
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US2204325A
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US2313481A
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US2354100A
Cited
GB610594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |