Patent US630067A successfully refreshed from Google Patents.
US630067A
Expired / Lapsed
US
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Blow-off cock and boiler-check.
Assignee: Individual
•
Filing: 1898-11-19
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Granted: 1899-08-01
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Expires: 1918-11-19
Abstract
No abstract record available.
Inventors
- 👤 William Mcintosh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:18
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/48; F22B37/54; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928; Y10T137/86936; Y10T137/86944; Y10T137/86976; Y10T137/87917; Y10T137/88054
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) | 1902-08-01 | 1903-01-31 | 1903-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-08-01 | 1907-01-31 | 1907-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-08-01 | 1911-01-31 | 1911-08-02 | $7700.00 | Window Closed / Lapsed |