US3055994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control device
Assignee: Individual
•
Filing: 1957-10-30
•
Granted: 1962-09-25
•
Expires: 1977-10-30
Abstract
No abstract record available.
Inventors
- 👤 Stanley A Lundeen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:06
CPC Classifications
G; G04; G04C; G04C23/00; G04C23/14; G04C23/34; G04C23/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2350938A
Cited
GB560113A
Cited
US2596330A
Cited
US2714293A
Cited
US2637788A
Cited
US2804513A
Cited
US2788068A
Cited
US2798124A
Cited
US2853567A
Cited
US2902557A
Cited
US2832856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |