Patent US2928508A successfully refreshed from Google Patents.
US2928508A
Expired / Lapsed
US
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Slack adjuster apparatus
Assignee: Individual
•
Filing: 1955-06-22
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Granted: 1960-03-15
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Expires: 1975-06-22
Abstract
No abstract record available.
Inventors
- 👤 Edward A Rockwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:57
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/72; F16D65/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1721370A
Cited
GB358126A
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US2048472A
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US2064617A
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US2055182A
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US2189134A
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US2287238A
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US2293836A
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US2345811A
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US2593192A
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US2688338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |