US2579977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing valve unit for volatile products
Assignee: Continental Can Co Inc
•
Filing: 1947-09-11
•
Granted: 1951-12-25
•
Expires: 1967-09-11
Abstract
No abstract record available.
Inventors
- 👤 Harry H Sjolin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:12
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/48; B65D83/16; B65D83/20; B65D83/204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR621978A
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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) | 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 |