US3380333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for mixing and pumping slurry explosives
Assignee: Ireco Inc
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Filing: 1966-08-03
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Granted: 1968-04-30
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Expires: 1986-08-03
Abstract
No abstract record available.
Inventors
- 👤 Robert B Clay
- 👤 Melvin A Cook
- 👤 Lex L Udy
- 👤 Douglas H Pack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:25
CPC Classifications
C; C06; C06B; C06B21/00; B; B01; B01F; B01F23/00; B01F23/50; B01F23/56; B01F33/00; B01F33/50; B01F33/502; B01F35/00; B01F35/20; B01F35/22; B01F35/221; B01F35/2211; F; F42; F42D; F42D1/00; F42D1/08; F42D1/10; B01F2101/00; B01F2101/34; B01F33/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |