Patent US2298794A successfully refreshed from Google Patents.
Patent US2229097A successfully refreshed from Google Patents.
US2229097A
Expired / Lapsed
US
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Selective remote control apparatus
Assignee: Landis and Gyr AG
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Filing: 1938-05-26
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Granted: 1941-01-21
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Expires: 1958-05-26
Abstract
No abstract record available.
Inventors
- 👤 Koenig Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:26
CPC Classifications
G; G04; G04C; G04C11/00; H; H02; H02J; H02J13/00; H02J13/13; H02J13/1311; H02J13/1313; G08; G08C; G08C25/00; H04; H04Q; H04Q9/00; H04Q9/04; Y; Y02; Y02E; Y02E60/00; Y04; Y04S; Y04S40/00; Y04S40/12; Y04S40/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-01-21 | 1944-07-22 | 1945-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-21 | 1948-07-22 | 1949-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-21 | 1952-07-22 | 1953-01-21 | $7700.00 | Window Closed / Lapsed |