Patent US2574876A successfully refreshed from Google Patents.
US2574876A
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US
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Lever actuated operating mechanism for spout closures
Assignee: Protectoseal Co
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Filing: 1947-10-23
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Granted: 1951-11-13
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Expires: 1967-10-23
Abstract
No abstract record available.
Inventors
- 👤 William A Lebus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:08
CPC Classifications
B; B65; B65D; B65D45/00; B65D45/02; B65D45/04; B65D45/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |