Patent US3248656A successfully refreshed from Google Patents.
US3248656A
Expired / Lapsed
US
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Rise time enhancing reactor
Assignee: Individual
•
Filing: 1964-06-16
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Granted: 1966-04-26
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Expires: 1984-06-16
Abstract
No abstract record available.
Inventors
- 👤 John R Caswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:31
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/45
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2591406A
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US3084263A
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US2882482A
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US3081409A
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US3163774A
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US2909659A
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US2994003A
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US3193693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |