US3445639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control system for repetitive operation
Assignee: Milton Roy LLC
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Filing: 1965-12-29
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Granted: 1969-05-20
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Expires: 1985-12-29
Abstract
No abstract record available.
Inventors
- 👤 Alexander E Martens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:58
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/0405; G05B19/10; G05B19/102; G05B19/104; G05B19/12; G05B19/14; G05B19/18; G05B19/19; G05B19/40; G05B19/41; G05B19/416; H; H02; H02P; H02P5/00; H02P5/46; H02P5/50; H02P5/51; H03; H03K; H03K3/00; H03K3/78
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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |