Patent EP0513818A1 successfully refreshed from Google Patents.
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US2867035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal insulation
Assignee: General Electric Co
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Filing: 1952-10-30
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Granted: 1959-01-06
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Expires: 1972-10-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Le Roy R Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:22
CPC Classifications
C; C04; C04B; C04B30/00; C04B30/02; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/78; E04B1/80; E04B1/803; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/292; F; F16; F16L; F16L59/00; F16L59/04; F25; F25D; F25D23/00; F25D23/06; F25D23/065; F25D2201/00; F25D2201/10; F25D2201/12; F25D2201/124; F25D2201/14; Y; Y02; Y02A; Y02A30/00; Y02A30/24; Y02A30/242; Y02B; Y02B80/00; Y02B80/10; Y10; Y10S; Y10S220/00; Y10S220/23; Y10S428/00; Y10S428/92
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1554395A
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US2000882A
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US2067015A
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US1971064A
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US2160001A
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US2540563A
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US2504421A
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US2491761A
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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) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |