Patent US2994450A successfully refreshed from Google Patents.
US2994450A
Expired / Lapsed
US
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Sectional cellaret
Assignee: CAROLYN BOWNE DE VAN
•
Filing: 1957-02-06
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Granted: 1961-08-01
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Expires: 1977-02-06
Abstract
No abstract record available.
Inventors
- 👤 Carolyn Bowne Van De
- 👤 William T Van De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:59
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/02; B65D21/0201; B65D21/0204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2006938A
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US2090477A
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US2577120A
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US2723484A
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US2810171A
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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) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |