US2439918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of laminating
Assignee: Westinghouse Electric Corp
•
Filing: 1944-03-18
•
Granted: 1948-04-20
•
Expires: 1964-03-18
Abstract
No abstract record available.
Inventors
- 👤 Robert W Auxier
- 👤 Norelli Patrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:15
CPC Classifications
B; B32; B32B; B32B37/00; B32B37/10; B32B37/1027; B32B2310/00; B32B2310/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1361970A
Cited
US1701918A
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US2075735A
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US2135763A
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US2231457A
Cited
US2303087A
Cited
US2372929A
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US2288269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-20 | 1951-10-20 | 1952-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-20 | 1955-10-20 | 1956-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-20 | 1959-10-20 | 1960-04-20 | $7700.00 | Window Closed / Lapsed |