US2629228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator tank
Assignee: Individual
•
Filing: 1949-04-04
•
Granted: 1953-02-24
•
Expires: 1969-04-04
Abstract
No abstract record available.
Inventors
- 👤 Henry C Bergmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:24
CPC Classifications
F; F25; F25D; F25D31/00; F25D31/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US650942A
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US706511A
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US1271657A
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US1797014A
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US2006299A
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US2024639A
Cited
US2183509A
Cited
US2364130A
Cited
US2409661A
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US2446289A
Cited
US2576050A
Cited
US2557252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |