Patent JPH03214348A successfully refreshed from Google Patents.
Patent US6182212B1 successfully refreshed from Google Patents.
US3039028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double based diode
Assignee: Hoffman Electronics Corp
•
Filing: 1955-09-26
•
Granted: 1962-06-12
•
Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 Ross Bernd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:15
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/30; H10D48/32; H10D48/36; H10D10/00; H10D62/00; H10D62/10; H10D8/00; H10D99/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2563503A
Cited
US2681993A
Cited
US2654059A
Cited
US2695852A
Cited
US2657360A
Cited
US2748041A
Cited
US2717342A
Cited
US2953730A
Cited
US2754431A
Cited
US2748235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |