Patent US2984387A successfully refreshed from Google Patents.
US2984387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous time-rate controller
Assignee: Individual
•
Filing: 1957-09-10
•
Granted: 1961-05-16
•
Expires: 1977-09-10
Abstract
No abstract record available.
Inventors
- 👤 White Roby Byron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:15
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/06; G05D7/0617; G05D7/0623
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1993527A
Cited
US2257905A
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US2544155A
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US2662665A
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US2636642A
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US2712414A
Cited
US2718982A
Cited
US2763399A
Cited
US2796197A
Cited
US2842311A
Cited
US2925197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |