Patent US2626080A successfully refreshed from Google Patents.
US2626080A
Expired / Lapsed
US
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Closure device for apertures
Assignee: Individual
•
Filing: 1948-02-26
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Granted: 1953-01-20
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Expires: 1968-02-26
Abstract
No abstract record available.
Inventors
- 👤 Fernberg Eric Birger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:40
CPC Classifications
B; B62; B62D; B62D25/00; B62D25/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US518554A
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US1875907A
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US1107490A
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US1477043A
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US1573279A
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US2156110A
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US2088848A
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US2083056A
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US2412872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |