Patent US1869202A successfully refreshed from Google Patents.
US1869202A
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US
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Fluid controlled system
Assignee: Automatic Sprinkler Corp
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Filing: 1926-04-20
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Granted: 1932-07-26
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Expires: 1946-04-20
Abstract
No abstract record available.
Inventors
- 👤 Ernest A Lowe
- 👤 John R Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:54
CPC Classifications
A; A62; A62C; A62C35/00; A62C35/58; A62C35/64; A62C35/645
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) | 1935-07-26 | 1936-01-25 | 1936-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-07-26 | 1940-01-25 | 1940-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-07-26 | 1944-01-25 | 1944-07-26 | $7700.00 | Window Closed / Lapsed |