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US2823822A
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Vacuum bottle
Assignee: Aro Equipment Corp
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Filing: 1955-10-10
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Granted: 1958-02-18
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Expires: 1975-10-10
Abstract
No abstract record available.
Inventors
- 👤 Howard W Altman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:38
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/08; F17C13/086; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/018; F17C2203/03; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2221/00; F17C2221/01; F17C2221/011; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2260/00; F17C2260/03; F17C2260/031; F17C2260/033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1521148A
Cited
US1478711A
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US1561101A
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US1607071A
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US1716622A
Cited
US2329765A
Cited
US2643022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |