US2429059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration insulation
Assignee: General Electric Co
•
Filing: 1940-01-26
•
Granted: 1947-10-14
•
Expires: 1960-01-26
Abstract
No abstract record available.
Inventors
- 👤 Edward H Horstkotte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:30
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/06; F25D23/062; F25D23/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1548441A
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US735217A
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US1029364A
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US2054323A
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US1898759A
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US1827858A
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US1940277A
Cited
US2040094A
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US2200713A
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US2170469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-13 | 1951-04-14 | 1951-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-13 | 1955-04-14 | 1955-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-13 | 1959-04-14 | 1959-10-14 | $7700.00 | Window Closed / Lapsed |