US2589844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change-speed gearing multiple drive transmission
Assignee: Individual
•
Filing: 1948-04-23
•
Granted: 1952-03-18
•
Expires: 1968-04-23
Abstract
No abstract record available.
Inventors
- 👤 Moore Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:59
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/06; B60K17/08; F; F16; F16H; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H2702/00; F16H2702/02; F16H2702/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191011476A
Cited
US1064213A
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GB191110347A
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US1068598A
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US1539417A
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US1679805A
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US2064262A
Cited
US2183667A
Cited
FR828869A
Cited
US2232154A
Cited
US2206752A
Cited
US2166099A
Cited
US2384781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |