Patent US6095967A successfully refreshed from Google Patents.
Patent US2061852A successfully refreshed from Google Patents.
US2061852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow bean valve
Assignee: Individual
•
Filing: 1935-06-12
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Granted: 1936-11-24
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Expires: 1955-06-12
Abstract
No abstract record available.
Inventors
- 👤 Frank J Schweitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:29
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/54; Y; Y10; Y10T; Y10T137/00; 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) | 1939-11-24 | 1940-05-25 | 1940-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-11-24 | 1944-05-25 | 1944-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-11-24 | 1948-05-25 | 1948-11-24 | $7700.00 | Window Closed / Lapsed |