Patent US3514981A successfully refreshed from Google Patents.
US3514981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock box
Assignee: ARTHUR E ESQUIBEL
•
Filing: 1968-05-15
•
Granted: 1970-06-02
•
Expires: 1988-05-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Esquibel
- 👤 Arthur E Esquibel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:08
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/16; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5009; Y10T70/5031; Y10T70/5035; Y10T70/5049; Y10T70/5053; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7215; Y10T70/722
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |