US2966855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive-containing bag used in blasting
Assignee: Airmite Midwest Inc
•
Filing: 1958-03-20
•
Granted: 1961-01-03
•
Expires: 1978-03-20
Abstract
No abstract record available.
Inventors
- 👤 Barco John Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:32
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/28; F42B3/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1220208A
Cited
US1464866A
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US1543850A
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US1543851A
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US1824141A
Cited
US2609750A
Cited
US2764939A
Cited
US2703528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |