Patent US1055238A successfully refreshed from Google Patents.
US1055238A
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US
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Centralizing device for telemotors.
Assignee: American Engineering Co Ltd
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Filing: 1912-03-09
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Granted: 1913-03-04
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Expires: 1932-03-09
Abstract
No abstract record available.
Inventors
- 👤 Jacob T Silander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:50
CPC Classifications
F; F15; F15B; F15B7/00; F15B7/005; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7903
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) | 1916-03-03 | 1916-09-02 | 1917-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-03-03 | 1920-09-02 | 1921-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-03-03 | 1924-09-02 | 1925-03-04 | $7700.00 | Window Closed / Lapsed |