US3007091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency transistor
Assignee: Pye Electronic Products Ltd
•
Filing: 1958-09-05
•
Granted: 1961-10-31
•
Expires: 1978-09-05
Abstract
No abstract record available.
Inventors
- 👤 Dennis Q Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:00
CPC Classifications
H; H10; H10D; H10D10/00; H03; H03F; H03F99/00; H10D62/00; H10D62/10; H10D62/60; H10D99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2801348A
Cited
US2847583A
Cited
US2857527A
Cited
US2842668A
Cited
US2851594A
Cited
US2900531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |