Patent US5591197A successfully refreshed from Google Patents.
US2785726A
Expired / Lapsed
US
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Expanded insert for engagement with free-running screw
Assignee: Individual
•
Filing: 1954-12-14
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Granted: 1957-03-19
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Expires: 1974-12-14
Abstract
No abstract record available.
Inventors
- 👤 Abbott H Brush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:42
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/12; F16B37/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1738609A
Cited
US2026757A
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US2333277A
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US2393606A
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US2616328A
Cited
GB707819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |