US2593634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spigot for discharging liquid from containers
Assignee: DRI FLO Manufacturing CO
•
Filing: 1949-08-25
•
Granted: 1952-04-22
•
Expires: 1969-08-25
Abstract
No abstract record available.
Inventors
- 👤 Guy M Vosburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:58
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/58; B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/26; B65D47/28; B65D47/283; F16L; F16L29/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US529221A
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US564242A
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US1194450A
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US2186326A
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US1472695A
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US1566851A
Cited
US2114583A
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US2197352A
Cited
US2207816A
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US2504276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |