US2885743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating structures for refrigerated spaces
Assignee: Alumiseal Corp
•
Filing: 1953-06-02
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Granted: 1959-05-12
•
Expires: 1973-06-02
Abstract
No abstract record available.
Inventors
- 👤 James G Macormack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:20
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/7675; E04B1/7608; E04B1/7612; F; F25; F25D; F25D23/00; F25D23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US134702A
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US275000A
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GB190424195A
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US1964795A
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US2044600A
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US2045000A
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US2036429A
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US2024686A
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US2098554A
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US2295248A
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US2613166A
Cited
US2663448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |