US2995391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seals and improved shells therefor
Assignee: Chicago Rawhide Manufacturing Co Inc
•
Filing: 1957-10-11
•
Granted: 1961-08-08
•
Expires: 1977-10-11
Abstract
No abstract record available.
Inventors
- 👤 Russel D Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:46
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2290813A
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DE891040C
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US2375985A
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US2382960A
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US2360372A
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US2559963A
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US2489545A
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GB648847A
Cited
US2607615A
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US2752176A
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GB752266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |