Patent US980392A successfully refreshed from Google Patents.
US980392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blow-off valve.
Assignee: Individual
•
Filing: 1910-02-07
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Granted: 1911-01-03
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Expires: 1930-02-07
Abstract
No abstract record available.
Inventors
- 👤 Anthony Nicholas Anderson
- 👤 Frederick W Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:45
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/16; F16K3/18; F16K3/184; F16K3/186
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) | 1914-01-02 | 1914-07-04 | 1915-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-01-02 | 1918-07-04 | 1919-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-01-02 | 1922-07-04 | 1923-01-03 | $7700.00 | Window Closed / Lapsed |