US817277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damper-regulator and motor therefor.
Assignee: WILLIAM B WADSWORTH
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Filing: 1905-04-12
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Granted: 1906-04-10
•
Expires: 1925-04-12
Abstract
No abstract record available.
Inventors
- 👤 Olaf Saugstad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:35
CPC Classifications
F; F23; F23N; F23N3/00; F23N3/02; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87217; Y10T137/87225
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) | 1909-04-09 | 1909-10-09 | 1910-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-04-09 | 1913-10-09 | 1914-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-04-09 | 1917-10-09 | 1918-04-10 | $7700.00 | Window Closed / Lapsed |