Patent US2398555A successfully refreshed from Google Patents.
Patent US2502564A successfully refreshed from Google Patents.
US2502564A
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US
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Gearing housing
Assignee: Electrolux AB
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Filing: 1948-02-07
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Granted: 1950-04-04
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Expires: 1968-02-07
Abstract
No abstract record available.
Inventors
- 👤 Hansson Erik Oskar Helge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:42
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/031; A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/08; F16H57/027; F16H57/03; F16H57/035; F16H2057/02034; F16H57/023; F16H2057/0235; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |