Patent US3005462A successfully refreshed from Google Patents.
US3005462A
Expired / Lapsed
US
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Control system and method of operation
Assignee: Johnson Service Co
•
Filing: 1959-01-29
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Granted: 1961-10-24
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Expires: 1979-01-29
Abstract
No abstract record available.
Inventors
- 👤 Hillman Leon
- 👤 Richard A Bolz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:32
CPC Classifications
G; G05; G05B; G05B1/00; G05B1/01; G05B1/02; G05B1/027; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/20; G05D23/24; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |