US1148805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic valve.
Assignee: Individual
•
Filing: 1911-08-22
•
Granted: 1915-08-03
•
Expires: 1931-08-22
Abstract
No abstract record available.
Inventors
- 👤 William P Skiffington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:22
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/10; F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655; F24; F24D; F24D19/00; F24D19/10; F24D19/1003; F24D19/1006; F24D19/1009; F24D19/1015; F24D19/1018; F24D19/1036; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7793; Y10T137/7822; Y10T137/8158; Y10T137/8225
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) | 1918-08-02 | 1919-02-01 | 1919-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-08-02 | 1923-02-01 | 1923-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-08-02 | 1927-02-01 | 1927-08-03 | $7700.00 | Window Closed / Lapsed |