Patent US2886209A successfully refreshed from Google Patents.
US2886209A
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US
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Closure unit
Assignee: CIRCLE PLASTICS Co
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Filing: 1956-01-16
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Granted: 1959-05-12
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Expires: 1976-01-16
Abstract
No abstract record available.
Inventors
- 👤 Herman B Lermer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:23
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/04; B65D83/0409; B65D2583/00; B65D2583/04; B65D2583/0472; B65D2583/0477; B65D2583/049; B65D2583/0495
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US928052A
Cited
US1958101A
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US2227167A
Cited
US2630245A
Cited
US2649994A
Cited
US2664223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |