Patent US2772440A successfully refreshed from Google Patents.
US2772440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for handling electrical equipment and the like
Assignee: Individual
•
Filing: 1955-11-23
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Granted: 1956-12-04
•
Expires: 1975-11-23
Abstract
No abstract record available.
Inventors
- 👤 Robert E Applegate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:22
CPC Classifications
A; A47; A47J; A47J45/00; A47J45/10; H; H01; H01F; H01F27/00; H01F27/002; H01F27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US582439A
Cited
US631574A
Cited
GB190207552A
Cited
US2072569A
Cited
US2197141A
Cited
US2459658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |