Patent US2491796A successfully refreshed from Google Patents.
US2491796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen for use in association with fire nozzles
Assignee: Individual
•
Filing: 1945-05-15
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Granted: 1949-12-20
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Expires: 1965-05-15
Abstract
No abstract record available.
Inventors
- 👤 Edwall J Baume
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:17
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/02; F; F16; F16L; F16L55/00; F16L55/24; B01D2201/00; B01D2201/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1436294A
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US1628259A
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US1677118A
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US1688630A
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US982982A
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US1207593A
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US1554924A
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US1617858A
Cited
US1563490A
Cited
US1835429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-19 | 1953-06-20 | 1953-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-19 | 1957-06-20 | 1957-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-19 | 1961-06-20 | 1961-12-20 | $7700.00 | Window Closed / Lapsed |