Patent US3004166A successfully refreshed from Google Patents.
US3004166A
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US
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Line tracer apparatus and method
Assignee: Airco Inc
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Filing: 1958-09-16
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Granted: 1961-10-10
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Expires: 1978-09-16
Abstract
No abstract record available.
Inventors
- 👤 William J Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:53
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/127; B23Q35/128; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/30168; Y10T409/301904; Y10T409/30196
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2397933A
Cited
US2499178A
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US2578341A
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US2820187A
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US2696565A
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US2868993A
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US2837707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |