Patent US2456418A successfully refreshed from Google Patents.
US2456418A
Expired / Lapsed
US
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Bushing and method of manufacturing same
Assignee: Individual
•
Filing: 1944-08-28
•
Granted: 1948-12-14
•
Expires: 1964-08-28
Abstract
No abstract record available.
Inventors
- 👤 Imerman Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:29
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190101180A
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US1144425A
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US1205666A
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US1700604A
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US1758869A
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US1845901A
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US1982850A
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US2060959A
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US2121984A
Cited
GB494455A
Cited
US2364109A
Cited
US2320032A
Cited
US2315006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-14 | 1952-06-14 | 1952-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-14 | 1956-06-14 | 1956-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-14 | 1960-06-14 | 1960-12-14 | $7700.00 | Window Closed / Lapsed |