US2563244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control mechanism
Assignee: Individual
•
Filing: 1945-05-15
•
Granted: 1951-08-07
•
Expires: 1965-05-15
Abstract
No abstract record available.
Inventors
- 👤 John R Holicer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:36
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/30; F16K1/304; F16K1/306; F16K1/307; F16K17/00; F16K17/40; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1789; Y10T137/598; Y10T137/612; Y10T137/6154; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7785; Y10T137/7837; Y10T137/7869; Y10T137/8593; Y10T137/87917; Y10T137/88046; Y10T137/88054; Y10T137/8811
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |