Patent US2706499A successfully refreshed from Google Patents.
US2706499A
Expired / Lapsed
US
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Spacing and closure device for electrical conduits
Assignee: Individual
•
Filing: 1952-11-24
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Granted: 1955-04-19
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Expires: 1972-11-24
Abstract
No abstract record available.
Inventors
- 👤 Wayne O Grable
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:02
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-18 | 1958-10-18 | 1959-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-18 | 1962-10-18 | 1963-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-18 | 1966-10-18 | 1967-04-19 | $7700.00 | Window Closed / Lapsed |