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US3245698A
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Assignee: Westinghouse Electric Corp
•
Filing: 1963-11-04
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Granted: 1966-04-12
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Expires: 1983-11-04
Abstract
No abstract record available.
Inventors
- 👤 Charles T Fromknecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:30
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/24; A47L9/242; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/51; Y10S24/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US407922A
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US664341A
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US929067A
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US1835251A
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GB325410A
Cited
US1799717A
Cited
US2184881A
Cited
US2459452A
Cited
US2755106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |