US2889536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency responsive receiver for remote control system
Assignee: Schneider Electric Buildings Americas Inc
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Filing: 1956-01-24
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Granted: 1959-06-02
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Expires: 1976-01-24
Abstract
No abstract record available.
Inventors
- 👤 William A Paulson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:08
CPC Classifications
G; G08; G08C; G08C19/00; G08C19/16; G08C19/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1655689A
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US2095688A
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US2131164A
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US2394786A
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US2437326A
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US2604518A
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US2497656A
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US2563127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |