US3450125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterbalanced hinge for oven doors
Assignee: Kelvinator Inc
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Filing: 1966-05-24
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Granted: 1969-06-17
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Expires: 1986-05-24
Abstract
No abstract record available.
Inventors
- 👤 Leland G Hopkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:30
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/02; F24C15/023; E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/1246; E05F1/1269; E05F1/1276; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/218; E05Y2201/40; E05Y2201/404; E05Y2201/416; E05Y2201/47; E05Y2201/488; E05Y2600/00; E05Y2600/40; E05Y2600/46; E05Y2900/00; E05Y2900/30; E05Y2900/308
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |