US2544745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste disposal apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1947-07-08
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Granted: 1951-03-13
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Expires: 1967-07-08
Abstract
No abstract record available.
Inventors
- 👤 John H Ashbaugh
- 👤 Edward R Wolfert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:53
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/26; E03C1/266; E03C1/2665; Y; Y10; Y10S; Y10S4/00; Y10S4/04
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) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |