Patent US2524905A successfully refreshed from Google Patents.
US2524905A
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US
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Forward and reverse friction gear transmission
Assignee: Svenska AB Gasaccumulator
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Filing: 1946-01-22
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Granted: 1950-10-10
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Expires: 1966-01-22
Abstract
No abstract record available.
Inventors
- 👤 Granqvist Carl-Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:18
CPC Classifications
F; F16; F16H; F16H13/00; F16H13/10; F16H13/12; F16H15/00; F16H15/48; F16H3/00; F16H3/02; F16H3/08; F16H3/14; G; G05; G05G; G05G17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US272988A
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US745814A
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FR20897E
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GB204512A
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US1768859A
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US2113456A
Cited
FR769261A
Cited
US2081824A
Cited
US2138129A
Cited
US2253535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |