US2858764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for effecting sequential discharge of a series of material breaking cartridges
Assignee: Cardox Corp
•
Filing: 1956-10-18
•
Granted: 1958-11-04
•
Expires: 1976-10-18
Abstract
No abstract record available.
Inventors
- 👤 James C Hesson
- 👤 James A Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:21
CPC Classifications
E; E21; E21C; E21C37/00; E21C37/06; E21C37/14; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/2668; Y10T137/2693; Y10T137/2695
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1588657A
Cited
US1593125A
Cited
US2083739A
Cited
US2146879A
Cited
US2265117A
Cited
US2718233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |