Patent US2633939A successfully refreshed from Google Patents.
US2633939A
Expired / Lapsed
US
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Brake
Assignee: Individual
•
Filing: 1947-01-30
•
Granted: 1953-04-07
•
Expires: 1967-01-30
Abstract
No abstract record available.
Inventors
- 👤 Adiel Y Dodge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:07
CPC Classifications
F; F16; F16D; F16D51/00; F16D51/46; F16D51/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR575019A
Cited
US1994813A
Cited
US2042390A
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US2167297A
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US2133669A
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US2160055A
Cited
US2206742A
Cited
US2348960A
Cited
US2350878A
Cited
US2407487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |