Patent US3033912A successfully refreshed from Google Patents.
US3033912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pedestals for underground wiring systems
Assignee: McGraw Edison Co
•
Filing: 1960-01-14
•
Granted: 1962-05-08
•
Expires: 1980-01-14
Abstract
No abstract record available.
Inventors
- 👤 Davis M Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:46
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/26; H02B1/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US796007A
Cited
US1204412A
Cited
US1667871A
Cited
US2014586A
Cited
US2063099A
Cited
GB717629A
Cited
US2916539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |