US3000544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vented pouring spouts for containers
Assignee: American Flange and Manufacturing Co Inc
•
Filing: 1958-07-29
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Granted: 1961-09-19
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Expires: 1978-07-29
Abstract
No abstract record available.
Inventors
- 👤 Seward M Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:16
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/10; B65D47/103; B65D47/061; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12264; Y10T428/12292; Y10T428/12354
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1580737A
Cited
US1054972A
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US1517644A
Cited
US2424101A
Cited
US2583007A
Cited
US2840281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |