US2862367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precast cable trench
Assignee: Individual
•
Filing: 1956-09-27
•
Granted: 1958-12-02
•
Expires: 1976-09-27
Abstract
No abstract record available.
Inventors
- 👤 Silverstein Abe
- 👤 Clifford H Mohs
- 👤 Keith C Andrus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:03
CPC Classifications
H; H02; H02G; H02G9/00; H02G9/06; H02G9/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1168400A
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US1036162A
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US1080499A
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US1227087A
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US1694736A
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US1805435A
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US1905856A
Cited
US1860533A
Cited
GB515823A
Cited
US2607211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |