Patent US2984319A successfully refreshed from Google Patents.
US2984319A
Expired / Lapsed
US
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Automatic adjusting devices
Assignee: Dunlop Rubber Co Ltd
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Filing: 1957-03-05
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Granted: 1961-05-16
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Expires: 1977-03-05
Abstract
No abstract record available.
Inventors
- 👤 Butler Henry James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:05
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/54; F16D13/00; F16D13/22; F16D13/38; F16D13/46; F16D13/48; F16D13/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733781A
Cited
US636330A
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GB217350A
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US2531341A
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US2570570A
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US2669327A
Cited
GB728251A
Cited
US2866526A
Cited
US2808903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |