US3510782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital waveform generator
Assignee: International Standard Electric Corp
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Filing: 1967-06-01
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Granted: 1970-05-05
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Expires: 1987-06-01
Abstract
No abstract record available.
Inventors
- 👤 Frank Ralph
- 👤 Michael John Gingell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:44
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/02; H03K4/026; G; G06; G06G; G06G7/00; G06G7/12; G06G7/26; G06G7/28; H03K5/00; H03K5/01; H03K6/00; H03B; H03B21/00; H03B27/00; H03C; H03C1/00; H03C1/52; H03C1/60; H03D; H03D7/00; H03D7/16; H03D7/161; H03D7/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |