Patent US1869411A successfully refreshed from Google Patents.
US1869411A
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US
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Automatic coupling valve
Assignee: Cleveland Pneumatic Tool Co
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Filing: 1930-07-02
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Granted: 1932-08-02
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Expires: 1950-07-02
Abstract
No abstract record available.
Inventors
- 👤 Mooy John De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:36
CPC Classifications
F; F16; F16L; F16L29/00; F16L37/00; F16L37/24; F16L37/244; F16L37/252; F16L37/28; F16L37/38; F16L37/40; F16L37/42; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925
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) | 1935-08-02 | 1936-02-01 | 1936-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-08-02 | 1940-02-01 | 1940-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-08-02 | 1944-02-01 | 1944-08-02 | $7700.00 | Window Closed / Lapsed |