Patent US1909435A successfully refreshed from Google Patents.
US1909435A
Expired / Lapsed
US
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Geared electric driving unit
Assignee: Luth & Rosens Elek Ska Aktiebo
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Filing: 1929-01-15
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Granted: 1933-05-16
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Expires: 1949-01-15
Abstract
No abstract record available.
Inventors
- 👤 Uggla Wilhelm Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:12
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/116; F; F16; F16H; F16H57/00; F16H57/02; F16H2057/02034; F16H2057/02039; F16H2057/02069; F16H2057/02086; F16H2700/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19633; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-05-15 | 1936-11-14 | 1937-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-15 | 1940-11-14 | 1941-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-15 | 1944-11-14 | 1945-05-16 | $7700.00 | Window Closed / Lapsed |