US2540931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pouring nozzle
Assignee: CROWN CORK SPECIALTY Corp
•
Filing: 1945-03-03
•
Granted: 1951-02-06
•
Expires: 1965-03-03
Abstract
No abstract record available.
Inventors
- 👤 Leslie R N Carvalho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:10
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/12; B65D47/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1611443A
Cited
US1712203A
Cited
US2026839A
Cited
US2015152A
Cited
US2293610A
Cited
US2239065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |