US2668319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure pull member
Assignee: NEW CASTLE PRODUCTS Inc
•
Filing: 1948-09-25
•
Granted: 1954-02-09
•
Expires: 1968-09-25
Abstract
No abstract record available.
Inventors
- 👤 Keys James Riley
- 👤 Carroll F Van Buskirk
- 👤 Henry D Oberdorfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:13
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0951; Y10T292/57; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/519; Y10T70/80; Y10T70/8432; Y10T70/8568
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US231223A
Cited
US276886A
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US723239A
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US805042A
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US810927A
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US1029747A
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US2208592A
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US2234810A
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US2275089A
Cited
US2387187A
Cited
US2405240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |