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 23:14
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US174035A
Cited
US1835921A
Cited
US2006791A
Cited
US2083709A
Cited
CH177010A
Cited
US2034569A
Cited
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 |