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US2771128A
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Ribbon brake unit with inertia control
Assignee: All American Engineering Co
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Filing: 1952-08-15
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Granted: 1956-11-20
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Expires: 1972-08-15
Abstract
No abstract record available.
Inventors
- 👤 Donald B Doolittle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:30
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1118025A
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US2071903A
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US2258007A
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GB548727A
Cited
US2403653A
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US2483655A
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US2499993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |