US2560138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Renewable fuse
Assignee: Chase Shawmut Co
•
Filing: 1948-01-29
•
Granted: 1951-07-10
•
Expires: 1968-01-29
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Swain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:47
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/05; H01H85/143; H01H85/153
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1928997A
Cited
US1861744A
Cited
US1919273A
Cited
US1874948A
Cited
US1991876A
Cited
US2036177A
Cited
US2195147A
Cited
US2198663A
Cited
US2293953A
Cited
US2280565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |