Patent US762274A successfully refreshed from Google Patents.
US762274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reducing-valve.
Assignee: Individual
•
Filing: 1902-12-01
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Granted: 1904-06-14
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Expires: 1922-12-01
Abstract
No abstract record available.
Inventors
- 👤 Jean Baptiste Bourseau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:38
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/10; G05D16/103; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7808
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) | 1907-06-14 | 1907-12-14 | 1908-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-06-14 | 1911-12-14 | 1912-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-06-14 | 1915-12-14 | 1916-06-14 | $7700.00 | Window Closed / Lapsed |