US1129334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydropneumatic water system.
Assignee: Individual
•
Filing: 1913-05-26
•
Granted: 1915-02-23
•
Expires: 1933-05-26
Abstract
No abstract record available.
Inventors
- 👤 Owen C Cover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:50
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/08; F04B9/10; F04B9/103; F04B9/107; A; A01; A01J; A01J5/00; A01J5/04; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3127; Y10T137/3137
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) | 1918-02-22 | 1918-08-24 | 1919-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-02-22 | 1922-08-24 | 1923-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-02-22 | 1926-08-24 | 1927-02-23 | $7700.00 | Window Closed / Lapsed |