US2481662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water cooler
Assignee: Westinghouse Electric Corp
•
Filing: 1943-05-06
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Granted: 1949-09-13
•
Expires: 1963-05-06
Abstract
No abstract record available.
Inventors
- 👤 Roger W Hastings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:20
CPC Classifications
F; F25; F25D; F25D31/00; F25D31/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB108116A
Cited
US2009949A
Cited
US1945287A
Cited
US2010504A
Cited
US2183509A
Cited
US2301546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-12 | 1953-03-14 | 1953-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-12 | 1957-03-14 | 1957-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-12 | 1961-03-14 | 1961-09-13 | $7700.00 | Window Closed / Lapsed |