Patent US2836973A successfully refreshed from Google Patents.
US2836973A
Expired / Lapsed
US
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Anti-pick cylinder lock
Assignee: Individual
•
Filing: 1954-10-25
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Granted: 1958-06-03
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Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 Salvatore S Schillizzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:24
CPC Classifications
E; E05; E05B; E05B27/00; E05B27/0057; E05B27/006; E05B27/0064; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7588; Y10T70/7593; Y10T70/7599; Y10T70/7605; Y10T70/7915; Y10T70/7932; Y10T70/7944
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) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |