Patent US3183010A successfully refreshed from Google Patents.
US2431904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push-button switch
Assignee: HOTPOINT Inc
•
Filing: 1944-12-22
•
Granted: 1947-12-02
•
Expires: 1964-12-22
Abstract
No abstract record available.
Inventors
- 👤 Andrews John Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:14
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/70; H01H13/72; H01H13/02; H01H13/023
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |