Patent US2270018A successfully refreshed from Google Patents.
US2270018A
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US
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Closure
Assignee: Sylvania Industrial Corp
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Filing: 1940-11-01
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Granted: 1942-01-13
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Expires: 1960-11-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:14
CPC Classifications
B; B23; B23P; B23P11/00; B23P11/02; B65; B65D; B65D51/00; B65D51/18; B65D55/00; B65D55/02; B65D55/06; B65D55/08; B65D55/0818; B65D55/0854; B65D2251/00; B65D2251/0003; B65D2251/0006; B65D2251/0015; B65D2251/0068; B65D2251/0078
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-01-12 | 1945-07-14 | 1946-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-01-12 | 1949-07-14 | 1950-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-01-12 | 1953-07-14 | 1954-01-13 | $7700.00 | Window Closed / Lapsed |