US2642300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush type door lock
Assignee: EASTERN MALLEABLE IRON Co
•
Filing: 1951-03-14
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Granted: 1953-06-16
•
Expires: 1971-03-14
Abstract
No abstract record available.
Inventors
- 👤 Albert L Pelcin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:02
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/14; E05C1/145; Y; Y10; Y10S; Y10S292/00; Y10S292/31; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0994; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5394; Y10T70/5491; Y10T70/5611; Y10T70/5757; Y10T70/5761
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1558980A
Cited
FR650606A
Cited
GB499124A
Cited
US2317700A
Cited
US2423937A
Cited
US2534693A
Cited
US2600483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |