US3383130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-tamper device for panic-proof doors
Assignee: ANTHONY F DE AVILA
•
Filing: 1965-12-22
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Granted: 1968-05-14
•
Expires: 1985-12-22
Abstract
No abstract record available.
Inventors
- 👤 Avila Anthony F De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:15
CPC Classifications
E; E05; E05B; E05B13/00; E05B13/002; E05B65/00; E05B65/10; E05B65/1046; E05B65/106; E05B65/1066; E05B65/1006; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0908; Y10T292/34
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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |