US2165577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door locking mechanism
Assignee: Individual
•
Filing: 1936-03-07
•
Granted: 1939-07-11
•
Expires: 1956-03-07
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Pruner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:06
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/22; Y; Y10; Y10S; Y10S292/00; Y10S292/31; Y10S292/67; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0992; Y10T292/0993; Y10T292/82; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5761
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-07-10 | 1943-01-09 | 1943-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-07-10 | 1947-01-09 | 1947-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-07-10 | 1951-01-09 | 1951-07-11 | $7700.00 | Window Closed / Lapsed |