US2579724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valved closure plug for insertion in the neck of a bottle
Assignee: Individual
•
Filing: 1946-04-15
•
Granted: 1951-12-25
•
Expires: 1966-04-15
Abstract
No abstract record available.
Inventors
- 👤 Breakstone Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:40
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/04; B67D1/0456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US795642A
Cited
US811811A
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US991725A
Cited
US1241352A
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US2114583A
Cited
US2281604A
Cited
US2082706A
Cited
US2200600A
Cited
US2260968A
Cited
US2372392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |