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US2464841A
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US
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Variable transmission
Assignee: Individual
•
Filing: 1944-03-15
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Granted: 1949-03-22
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Expires: 1964-03-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:22
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/1004; F; F16; F16H; F16H9/00; F16H9/02; F16H9/04; F16H9/12; F16H9/16; F16H2009/166
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2179053A
Cited
US2207073A
Cited
US2293617A
Cited
US2248948A
Cited
US2342604A
Cited
US2348940A
Cited
US2351148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |