US3422329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for controlling remotely located electrically energized power operator devices
Assignee: ACF Industries Inc
•
Filing: 1965-10-19
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Granted: 1969-01-14
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Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Clifford E Anderson
- 👤 Ellis M Zacharias Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:46
CPC Classifications
E; E21; E21B; E21B34/00; E21B34/06; E21B34/066; E21B34/02; E21B34/04; E21B34/16; E21B2200/00; E21B2200/03; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8242; Y10T137/8593; Y10T137/87048
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |