US2933623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for generating an electrical signal having a triangular waveform
Assignee: Westinghouse Electric Corp
•
Filing: 1957-08-13
•
Granted: 1960-04-19
•
Expires: 1977-08-13
Abstract
No abstract record available.
Inventors
- 👤 Wesley N Jones
- 👤 Ewanus Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:31
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/50; H03K4/58; H03K6/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2240420A
Cited
US2405238A
Cited
US2552588A
Cited
US2692333A
Cited
US2768294A
Cited
US2871378A
Cited
US2797327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |