Patent US2604872A successfully refreshed from Google Patents.
US2604872A
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Apparatus for spraying fluid into tubular members
Assignee: PACIFIC CLAY PRODUCTS
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Filing: 1948-04-26
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Granted: 1952-07-29
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Expires: 1968-04-26
Abstract
No abstract record available.
Inventors
- 👤 Meredith C Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:24
CPC Classifications
B; B05; B05B; B05B13/00; B05B13/06; B05B13/0627; B28; B28B; B28B21/00; B28B21/92; B28B21/94
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1758810A
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US1921231A
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US1980464A
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US1926651A
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US1960725A
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US2344905A
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US2461517A
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US2451071A
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US2489952A
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US2520397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |