US2813567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bendable valve stem extension
Assignee: Scovill Inc
•
Filing: 1953-08-28
•
Granted: 1957-11-19
•
Expires: 1973-08-28
Abstract
No abstract record available.
Inventors
- 👤 Selden T Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:41
CPC Classifications
B; B60; B60C; B60C29/00; B60C29/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US536417A
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US28647A
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US762954A
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US935048A
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US1143816A
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US1956981A
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US1815002A
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US2008096A
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US1963843A
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US1942468A
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US2150471A
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US2158576A
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US2330864A
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US2439662A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |