Patent US2314520A successfully refreshed from Google Patents.
Patent US3031027A successfully refreshed from Google Patents.
US3031027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile service equipment for overhead utility equipment
Assignee: LIFT A LOFT CORP
•
Filing: 1952-09-12
•
Granted: 1962-04-24
•
Expires: 1972-09-12
Abstract
No abstract record available.
Inventors
- 👤 Maurice E Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:45
CPC Classifications
B; B66; B66F; B66F11/00; B66F11/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US470112A
Cited
US607265A
Cited
US749736A
Cited
US1136604A
Cited
US1426276A
Cited
US1925353A
Cited
US1960355A
Cited
US2196511A
Cited
US2335584A
Cited
FR879051A
Cited
US2576389A
Cited
US2604640A
Cited
US2611886A
Cited
US2632530A
Cited
US2787343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |