US2978136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated panel cabinet structure
Assignee: Westinghouse Electric Corp
•
Filing: 1958-06-10
•
Granted: 1961-04-04
•
Expires: 1978-06-10
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Ehrenfreund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:38
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/08; F25D23/082; Y; Y10; Y10S; Y10S220/00; Y10S220/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1953585A
Cited
US2162271A
Cited
US2179542A
Cited
US2276635A
Cited
US2552641A
Cited
US2662660A
Cited
US2809764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |