US934360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve-gear for turbines.
Assignee: Melms & Pfenninger G M B H
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Filing: 1906-10-18
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Granted: 1909-09-14
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Expires: 1926-10-18
Abstract
No abstract record available.
Inventors
- 👤 Carl Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:44
CPC Classifications
G; G05; G05D; G05D13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/2278; Y10T137/7722; Y10T137/7781; Y10T137/7782
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) | 1912-09-13 | 1913-03-15 | 1913-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-09-13 | 1917-03-15 | 1917-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-09-13 | 1921-03-15 | 1921-09-14 | $7700.00 | Window Closed / Lapsed |