Patent US2933612A successfully refreshed from Google Patents.
US2933612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line tracer scanning head
Assignee: Westinghouse Electric Corp
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Filing: 1958-01-07
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Granted: 1960-04-19
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Expires: 1978-01-07
Abstract
No abstract record available.
Inventors
- 👤 John S Cheverton
- 👤 Brouwer Frans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:50
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/42; G05B19/4202; G05B19/4205; G05B2219/00; G05B2219/30; G05B2219/36; G05B2219/36324
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) | 1963-04-19 | 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 |