US2499178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curve follower
Assignee: General Electric Co
•
Filing: 1948-11-18
•
Granted: 1950-02-28
•
Expires: 1968-11-18
Abstract
No abstract record available.
Inventors
- 👤 Theodore M Berry
- 👤 Howard L Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:34
CPC Classifications
G; G06; G06K; G06K11/00; G06K11/02; G06K11/04; B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/127; B23Q35/128; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2261644A
Cited
US2397933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |