US2500181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical fixture
Assignee: Harvey Hubbell Inc
•
Filing: 1946-10-21
•
Granted: 1950-03-14
•
Expires: 1966-10-21
Abstract
No abstract record available.
Inventors
- 👤 Hubbell Harvey
- 👤 Joseph F Healy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:31
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/015; H02B1/04; H01; H01H; H01H23/00; H01H23/02; H01H23/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR360220A
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US895714A
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US1625485A
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US1685500A
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US1950826A
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US1928638A
Cited
DE675422C
Cited
US2283509A
Cited
US2383546A
Cited
US2287035A
Cited
US2429770A
Cited
US2451466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |