Patent US3026486A successfully refreshed from Google Patents.
US3026486A
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US
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Sine-wave generator
Assignee: Intron International Inc
•
Filing: 1958-05-28
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Granted: 1962-03-20
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Expires: 1978-05-28
Abstract
No abstract record available.
Inventors
- 👤 Robert H Pintell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:32
CPC Classifications
H; H03; H03B; H03B11/00; H02; H02M; H02M1/00; H02M1/20; H02M5/00; H02M5/02; H02M5/04; H02M5/22; H02M5/275; H02M5/293; H02M7/00; H02M7/42; H02M7/44; H02M7/445; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53832; H02M7/53835; H02M7/54; H02M7/58; H02M7/62; H03B11/04; H03B11/06; H03B5/00; H03B5/08; H03B5/12; H03B5/1206; H03B5/1225; H03B5/1231; H03B5/1296
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |