US3469257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control apparatus
Assignee: International Business Machines Corp
•
Filing: 1965-12-21
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Granted: 1969-09-23
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Expires: 1985-12-21
Abstract
No abstract record available.
Inventors
- 👤 Gerhard E Hoernes
- 👤 Edward V Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:15
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/33; G05B19/35; G05B19/351; H; H03; H03M; H03M1/00; G05B2219/00; G05B2219/30; G05B2219/41; G05B2219/41459; H03M1/12; H03M1/50
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) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |