US2605322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing and demonstrating characteristics of fusible protective devices
Assignee: Chase Shawmut Co
•
Filing: 1948-01-14
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Granted: 1952-07-29
•
Expires: 1968-01-14
Abstract
No abstract record available.
Inventors
- 👤 William S Edsall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:40
CPC Classifications
H; H01; H01H; H01H69/00; H01H69/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US930474A
Cited
US968448A
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US1175335A
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US2058037A
Cited
US2274296A
Cited
US2366290A
Cited
US2478999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |