US2755358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shockproof overload relay
Assignee: Devlieg Bullard Inc
•
Filing: 1950-06-06
•
Granted: 1956-07-17
•
Expires: 1970-06-06
Abstract
No abstract record available.
Inventors
- 👤 Michael J Dobes
- 👤 James H Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:43
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1054; H01H2071/1063; H01H71/12; H01H71/14; H01H71/16; H01H71/164; H01H71/74; H01H71/7409; H01H71/7427; H01H71/7436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |