US2983858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
pattern tracer control servosystem
Assignee: Pegasus Laboratories Inc
•
Filing: 1957-07-02
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Granted: 1961-05-09
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Expires: 1977-07-02
Abstract
No abstract record available.
Inventors
- 👤 Lee R Herndon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:41
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/121; B23Q35/123; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/30168
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2511956A
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US2492731A
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US2559575A
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US2499178A
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US2632872A
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US2627055A
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US2679620A
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US2774928A
Cited
US2837707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |