US3109358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kitchen range ventilator
Assignee: Individual
•
Filing: 1961-11-06
•
Granted: 1963-11-05
•
Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 George J Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:01
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20; F24C15/2021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2341245A
Cited
US2836114A
Cited
US2905073A
Cited
US2971451A
Cited
US3026788A
Cited
US3031946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |