US2597775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insecticide dispenser
Assignee: Bridgeport Brass Co
•
Filing: 1947-01-31
•
Granted: 1952-05-20
•
Expires: 1967-01-31
Abstract
No abstract record available.
Inventors
- 👤 Brown Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:05
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR609670A
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GB280817A
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US1919347A
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US2063745A
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US2363521A
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US2412613A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |