US2839733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracer head
Assignee: General Electric Co
•
Filing: 1954-05-13
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Granted: 1958-06-17
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Expires: 1974-05-13
Abstract
No abstract record available.
Inventors
- 👤 Merton O Bassett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:19
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/24; B23Q35/26; B23Q35/30; B23Q35/34; B23Q35/08; B23Q35/12; B23Q35/121; B23Q35/123; G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/204; G01D5/2073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1988458A
Cited
US2559575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |