Patent US1120019A successfully refreshed from Google Patents.
US1120019A
Expired / Lapsed
US
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Valve-controlled motor device.
Assignee: H W Butterworth & Sons Co
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Filing: 1913-08-06
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Granted: 1914-12-08
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Expires: 1933-08-06
Abstract
No abstract record available.
Inventors
- 👤 Herman C Brehmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:44
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/02; A; A01; A01C; A01C23/00; A01C23/04; A01C23/042; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86292; Y10T137/863; Y10T137/86493; Y10T137/86574; Y10T137/86638; Y10T137/86646; Y10T137/86662
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) | 1917-12-07 | 1918-06-08 | 1918-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-12-07 | 1922-06-08 | 1922-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-12-07 | 1926-06-08 | 1926-12-08 | $7700.00 | Window Closed / Lapsed |