Patent US3004462A successfully refreshed from Google Patents.
US3004462A
Expired / Lapsed
US
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Method of producing an elongated flexible hose-like explosive column
Assignee: EIDP Inc
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Filing: 1943-11-06
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Granted: 1961-10-17
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Expires: 1963-11-06
Abstract
No abstract record available.
Inventors
- 👤 Melvin A Cook
- 👤 Robert S Done
- 👤 Roy C Woehrman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:53
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14; C06B21/00; C06B21/0008; C06B21/0033; C06B25/00; C06B25/32; C06B31/00; C06B31/28; F; F42; F42B; F42B33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US682390A
Cited
US882154A
Cited
US1049666A
Cited
US1917540A
Cited
US2063572A
Cited
US2083174A
Cited
US2404440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |