US2586900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic door latch
Assignee: Individual
•
Filing: 1949-11-02
•
Granted: 1952-02-26
•
Expires: 1969-11-02
Abstract
No abstract record available.
Inventors
- 👤 Alderman Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:13
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/16; E05C19/163; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0878; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1031; Y10T292/11; Y10T292/68; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/80; Y10T70/8946
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1289305A
Cited
US1805099A
Cited
US2253252A
Cited
US2252144A
Cited
US2240035A
Cited
US2288688A
Cited
US2496691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |