US2907859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Domestic appliance
Assignee: General Electric Co
•
Filing: 1958-02-19
•
Granted: 1959-10-06
•
Expires: 1978-02-19
Abstract
No abstract record available.
Inventors
- 👤 Kenneth H Walkoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:09
CPC Classifications
A; A47; A47J; A47J37/00; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1162297A
Cited
US2136648A
Cited
US2101135A
Cited
US2258482A
Cited
US2558294A
Cited
US2617595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |