US2962602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse width modulator and amplifier
Assignee: Westinghouse Electric Corp
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Filing: 1957-04-29
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Granted: 1960-11-29
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Expires: 1977-04-29
Abstract
No abstract record available.
Inventors
- 👤 Richard O Decker
- 👤 William G Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:24
CPC Classifications
B; B64; B64C; B64C9/00; B64C9/14; B64C9/16; B64C9/20; G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/016; H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/538; H02M7/53803; H03; H03K; H03K3/00; H03K3/02; H03K3/45; H03K7/00; H03K7/08
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) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |