Patent US2265260A successfully refreshed from Google Patents.
US2265260A
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Mechanism for selectively operating valves
Assignee: KAY BRUNNER STEEL PRODUCTS Inc
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Filing: 1938-11-21
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Granted: 1941-12-09
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Expires: 1958-11-21
Abstract
No abstract record available.
Inventors
- 👤 Lisle T Argo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:11
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/60; F16K31/602; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87048; Y10T137/87056; Y10T137/87064; Y10T137/87096; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20024; Y10T74/2014; Y10T74/20159; Y10T74/20201
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) | 1944-12-08 | 1945-06-09 | 1945-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-08 | 1949-06-09 | 1949-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-08 | 1953-06-09 | 1953-12-09 | $7700.00 | Window Closed / Lapsed |