US2628333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety means for electrical apparatus
Assignee: Bristol Co
•
Filing: 1947-10-01
•
Granted: 1953-02-10
•
Expires: 1967-10-01
Abstract
No abstract record available.
Inventors
- 👤 Frederick L Maltby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:16
CPC Classifications
G; G05; G05B; G05B9/00; G05B9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2077179A
Cited
US2332432A
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US2340126A
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US2376527A
Cited
US2428568A
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US2457791A
Cited
US2490010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |