Patent US2800556A successfully refreshed from Google Patents.
US2800556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuse structures
Assignee: Chase Shawmut Co
•
Filing: 1955-09-09
•
Granted: 1957-07-23
•
Expires: 1975-09-09
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Swain
- 👤 Frederick J Kozacka
- 👤 Jr Philip C Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:12
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/041; H01H85/044; H01H85/045; H01H85/0452
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US746050A
Cited
US1028255A
Cited
GB173404A
Cited
FR898961A
Cited
FR911649A
Cited
US2629796A
Cited
US2665348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |