US635149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety-valve.
Assignee: Individual
•
Filing: 1898-10-06
•
Granted: 1899-10-17
•
Expires: 1918-10-06
Abstract
No abstract record available.
Inventors
- 👤 Frank Schreidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:55
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/06; F16K17/065; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7768; Y10T137/7769; Y10T137/777; Y10T137/7781; Y10T137/7835; Y10T137/7837; Y10T137/7878; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7932; Y10T137/8158; Y10T137/8225; Y10T137/8275
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) | 1902-10-17 | 1903-04-18 | 1903-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-10-17 | 1907-04-18 | 1907-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-10-17 | 1911-04-18 | 1911-10-18 | $7700.00 | Window Closed / Lapsed |