US2749188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Utility pole service equipment
Assignee: MITCHELL MAINTENANCE Co I
•
Filing: 1952-06-23
•
Granted: 1956-06-05
•
Expires: 1972-06-23
Abstract
No abstract record available.
Inventors
- 👤 Mitchell Maurice Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:49
CPC Classifications
B; B66; B66F; B66F11/00; B66F11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US377953A
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US789650A
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US1331121A
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US1470296A
Cited
US1921631A
Cited
US2164327A
Cited
US2450812A
Cited
US2614893A
Cited
US2522036A
Cited
US2601092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |