US2099443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: EIDP Inc
•
Filing: 1935-10-04
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Granted: 1937-11-16
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Expires: 1955-10-04
Abstract
No abstract record available.
Inventors
- 👤 Frederick G Kraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:52
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/10; G05D16/103; G05D16/106; G05D16/20; G05D16/2006; G05D16/2013; G05D16/202; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4259; Y10T137/6198; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7831
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) | 1940-11-15 | 1941-05-17 | 1941-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-11-15 | 1945-05-17 | 1945-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-11-15 | 1949-05-17 | 1949-11-16 | $7700.00 | Window Closed / Lapsed |