US2824364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of assembling and evacuating an insulated vacuum panel
Assignee: General Electric Co
•
Filing: 1954-08-27
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Granted: 1958-02-25
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Expires: 1974-08-27
Abstract
No abstract record available.
Inventors
- 👤 Harold P Bovenkerk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:04
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/78; E04B1/80; E04B1/803; C; C04; C04B; C04B30/00; C04B30/02; 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
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |