US3013491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple-jet shaped explosive charge perforating device
Assignee: Borg Warner Corp
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Filing: 1957-10-14
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Granted: 1961-12-19
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Expires: 1977-10-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Poulter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:12
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/116; E21B43/117; F; F42; F42B; F42B12/00; F42B12/02; F42B12/04; F42B12/10; F42B12/14; F42B3/00; F42B3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2494256A
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US2684030A
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US2809585A
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FI26986A
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US2682834A
Cited
US2839997A
Cited
US2833215A
Cited
US2873676A
Cited
US2872870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |