Patent US2801870A successfully refreshed from Google Patents.
US2801870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic latch
Assignee: General Electric Co
•
Filing: 1954-12-22
•
Granted: 1957-08-06
•
Expires: 1974-12-22
Abstract
No abstract record available.
Inventors
- 👤 Peter E Davey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:02
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/16; Y; Y10; Y10S; Y10S292/00; Y10S292/71; Y10T; Y10T292/00; Y10T292/11
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) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |