US3145880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprinkling device
Assignee: Individual
•
Filing: 1961-10-02
•
Granted: 1964-08-25
•
Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Louis B Whatley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:24
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/26; B65D47/261; B65D47/265; A; A47; A47G; A47G19/00; A47G19/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A DUSTING OR SPRINKLING DEVICE FOR USE WITH A CONTAINER HOLDING POURABLE MATERIAL AND ADAPTED TO FORM A SECTION OF THE CONTAINER WALL, AN INNER PARTITIONING PLATE, AN OUTER FORAMINOUS MEMBER HAVING PERFORATIONS THEREIN, MEANS SPACING SAID PARTITIONING PLATE FROM SAID FORAMINOUS MEMBER AND FORMING BETWEEN THEM A CHAMBER, SAID PARTITIONING PLATE HAVING AT LEAST ONE APERTURE THEREIN THROUGH WHICH MATERIAL IN AN ADJACENT CONTAINER MAY FLOW INTO SAID CHAMBER, THE RATIO OF THE AREA OF THE INDIVIDUAL APERTURES TO THE AREA OF THE INDIVIDUAL PERFORATIONS BEING AT LEAST 3 TO 1.
Claim 2
Dependent Claim
93 words
IN A DUSTING OR SPRINKLING DEVICE FOR USE WITH A CONTAINER HOLDING POURABLE MATERIAL AND ADAPTED TO FORM A SECTION OF THE CONTAINER WALL, AN INNER PARTITIONING PLATE, AN OUTER FORAMINOUS MEMBER HAVING PERFORATIONS THEREIN, MEANS SPACING SAID PARTITIONING PLATE FROM SAID FORAMINOUS MEMBER AND FORMING BETWEEN THEM A CHAMBER, SAID PARTITIONING PLATE HAVING AT LEAST ONE APERTURE THEREIN THROUGH WHICH MATERIAL IN AN ADJACENT CONTAINER MAY FLOW INTO SAID CHAMBER, THE RATIO OF THE AREA OF THE INDIVIDUAL APERTURES TO THE AREA OF THE INDIVIDUAL PERFORATIONS BEING AT LEAST 3 TO 1.
References Cited (Backward Citations)
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Cited
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Cited
US1021482A
Cited
US1542430A
Cited
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Cited
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Cited
US2487825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |