US3518524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cordless electric appliance
Assignee: Sunbeam Corp
•
Filing: 1967-01-03
•
Granted: 1970-06-30
•
Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 Leon M Roszyk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:58
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/48; H01M10/486; H02; H02J; H02J7/00; H02J7/90; H02J7/971; H02J7/975; H02J7/977; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US418701A
Cited
US1758522A
Cited
US2982849A
Cited
US2967988A
Cited
US3076127A
Cited
US3028536A
Cited
US3102222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |