Patent US3031050A successfully refreshed from Google Patents.
US3031050A
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Method and means for gear shifting
Assignee: POWER BRAKE EQUIPMENT CO
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Filing: 1956-06-18
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Granted: 1962-04-24
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Expires: 1976-06-18
Abstract
No abstract record available.
Inventors
- 👤 Norman C Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:28
CPC Classifications
B; B60; B60W; B60W30/00; B60W30/18; B60W10/00; B60W10/02; B60W10/04; B60W10/06; B60W2710/00; B60W2710/02; B60W2710/021; B60W2710/06; B60W2710/0644; Y; Y10; Y10S; Y10S74/00; Y10S74/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1247930A
Cited
US1501363A
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US1940712A
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US1667016A
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US1890790A
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US2044316A
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US2067975A
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US2197179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |