Patent US2728462A successfully refreshed from Google Patents.
US2728462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire lift
Assignee: Individual
•
Filing: 1952-11-17
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Granted: 1955-12-27
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Expires: 1972-11-17
Abstract
No abstract record available.
Inventors
- 👤 Harry L Fincher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:41
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/02; H02G1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1319964A
Cited
US1235999A
Cited
US2213604A
Cited
US2428186A
Cited
US2553779A
Cited
US2665012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |