Patent US2887192A successfully refreshed from Google Patents.
US2887192A
Expired / Lapsed
US
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Panel assembly
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1950-07-13
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Granted: 1959-05-19
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Expires: 1970-07-13
Abstract
No abstract record available.
Inventors
- 👤 Lisle C Schaub
- 👤 John F Blaski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:07
CPC Classifications
E; E04; E04B; E04B7/00; E04B5/00; E04B5/02; E04B5/10; E04D; E04D13/00; E04D13/16; E04D13/1606; E04D13/1643; E04D3/00; E04D3/36; E04D3/3605; E04D3/3606
Claims Analysis
Total Claims: 0
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US2467558A
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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) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |