Patent US3023585A successfully refreshed from Google Patents.
US3023585A
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US
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Assignee: Intrusion Prepakt Inc
•
Filing: 1956-11-26
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Granted: 1962-03-06
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Expires: 1976-11-26
Abstract
No abstract record available.
Inventors
- 👤 Norman L Liver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:53
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/34; E02D5/46; E02D3/00; E02D3/12; E02D3/126; E02D5/18
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |