US979532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve.
Assignee: WILLIAM G MERRILL
•
Filing: 1910-05-25
•
Granted: 1910-12-27
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Expires: 1930-05-25
Abstract
No abstract record available.
Inventors
- 👤 Frank A Merrill
- 👤 John S C Nicholls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:35
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/16; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87708; Y10T137/87732
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) | 1913-12-26 | 1914-06-27 | 1914-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-12-26 | 1918-06-27 | 1918-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-12-26 | 1922-06-27 | 1922-12-27 | $7700.00 | Window Closed / Lapsed |