US3457859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and system for initiating explosive composition
Assignee: Ireco Inc
•
Filing: 1967-11-24
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Granted: 1969-07-29
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Expires: 1987-11-24
Abstract
No abstract record available.
Inventors
- 👤 Richard G Guenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:38
CPC Classifications
F; F42; F42D; F42D1/00; F42D1/04; E; E21; E21B; E21B43/00; E21B43/25; E21B43/26; E21B43/263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA724423A
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US3236180A
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US3040660A
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US2609750A
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US2775940A
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US3143069A
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US3245353A
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US3326125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |