US2621014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for the distribution or dispersion of fluids in small particles
Assignee: Bridgeport Brass Co
•
Filing: 1949-01-25
•
Granted: 1952-12-09
•
Expires: 1969-01-25
Abstract
No abstract record available.
Inventors
- 👤 John T Efford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:20
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US703103A
Cited
US724257A
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US1698961A
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US2035953A
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US2004018A
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US2319727A
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US2487434A
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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) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |