Patent US2575465A successfully refreshed from Google Patents.
US2575465A
Expired / Lapsed
US
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Locking device for sliding doors
Assignee: ACF Industries Inc
•
Filing: 1948-01-23
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Granted: 1951-11-20
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Expires: 1968-01-23
Abstract
No abstract record available.
Inventors
- 👤 John W Patton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:06
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; E05B63/00; E05B63/24; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/0883; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1089; Y10T292/68; Y10T292/696; Y10T292/702; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/5177; Y10T70/5181; Y10T70/5199; Y10T70/5226; Y10T70/5243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US165847A
Cited
US913459A
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US922675A
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US1482788A
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US1596242A
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US2044622A
Cited
US2190485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |