Patent US3374823A successfully refreshed from Google Patents.
US3374823A
Expired / Lapsed
US
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Structural device
Assignee: Cooper Industries LLC
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Filing: 1967-02-07
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Granted: 1968-03-26
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Expires: 1987-02-07
Abstract
No abstract record available.
Inventors
- 👤 James A Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:42
CPC Classifications
H; H02; H02K; H02K41/00; H02K41/02; H02K41/025; A; A47; A47H; A47H5/00; A47H5/02; E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/0647; E05F; E05F15/00; E05F15/60; H02G; H02G5/00; H02G5/04; A47H2201/00; A47H2201/01; E05Y; E05Y2400/00; E05Y2400/65; E05Y2400/656; E05Y2400/658; E05Y2400/66; E05Y2800/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1881014A
Cited
US1881016A
Cited
US1950611A
Cited
US3003552A
Cited
US3204170A
Cited
US3136358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |