Patent US2835523A successfully refreshed from Google Patents.
US2835523A
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Latching mechanisms
Assignee: Medart Lockers Inc
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Filing: 1953-08-17
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Granted: 1958-05-20
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Expires: 1973-08-17
Abstract
No abstract record available.
Inventors
- 👤 George R Chervenka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:25
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/02; E05B65/025; Y; Y10; Y10S; Y10S292/00; Y10S292/68; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/082; Y10T292/0894
Claims Analysis
Total Claims: 0
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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) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |