US2497718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1945-01-10
•
Granted: 1950-02-14
•
Expires: 1965-01-10
Abstract
No abstract record available.
Inventors
- 👤 Robert W Earley
- 👤 Evert S Wegman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:51
CPC Classifications
G; G07; G07F; G07F11/00; G07F11/46; G07F11/50; G07F11/54; G07F13/00; G07F13/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2189740A
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US2256976A
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US2376403A
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US2314632A
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US2360241A
Cited
US2278013A
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US2352858A
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US2394262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |