US1052172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic relief-valve for fluid-impelling apparatus.
Assignee: Individual
•
Filing: 1906-11-20
•
Granted: 1913-02-04
•
Expires: 1926-11-20
Abstract
No abstract record available.
Inventors
- 👤 Auguste Camille Edmond Rateau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:32
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/02; F04D27/0207; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787
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) | 1916-02-04 | 1916-08-05 | 1917-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-02-04 | 1920-08-05 | 1921-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-02-04 | 1924-08-05 | 1925-02-04 | $7700.00 | Window Closed / Lapsed |