Patent US2914685A successfully refreshed from Google Patents.
US2914685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor ramp function generator
Assignee: Individual
•
Filing: 1957-07-31
•
Granted: 1959-11-24
•
Expires: 1977-07-31
Abstract
No abstract record available.
Inventors
- 👤 Eugene S Mcvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:33
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/50; H03K4/58
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2412063A
Cited
US2439324A
Cited
US2597322A
Cited
US2533001A
Cited
US2665845A
Cited
GB742967A
Cited
US2810024A
Cited
US2808471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |