US3018731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shear member for gas operated blasting cartridge
Assignee: Olin Corp
•
Filing: 1951-11-17
•
Granted: 1962-01-30
•
Expires: 1971-11-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward C Filstrup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:11
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/04; E; E21; E21C; E21C37/00; E21C37/06; E21C37/14; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1692; Y10T137/1714; Y10T137/1759
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US174035A
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US1835921A
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US2006791A
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US2083709A
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CH177010A
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US2034569A
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US2145366A
Cited
US2180795A
Cited
US2314683A
Cited
US2502193A
Cited
US2794395A
Cited
US2636437A
Cited
US2648282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |