US2755425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor operated rotary positioning system
Assignee: Allen B du Mont Laboratories Inc
•
Filing: 1953-03-10
•
Granted: 1956-07-17
•
Expires: 1973-03-10
Abstract
No abstract record available.
Inventors
- 👤 James H Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:35
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/125; G05D3/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2403161A
Cited
US2406848A
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US2436068A
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US2617313A
Cited
US2656497A
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US2676289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |