Patent US2030677A successfully refreshed from Google Patents.
US2030677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doorlock
Assignee: Motors Liquidation Co
•
Filing: 1934-02-21
•
Granted: 1936-02-11
•
Expires: 1954-02-21
Abstract
No abstract record available.
Inventors
- 👤 Albert E Avels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:11
CPC Classifications
E; E05; E05B; E05B83/00; E05B83/02; E05B83/08; E05B83/10; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0921; Y10T292/0922; Y10T292/0925; Y10T292/0926; Y10T292/0945; Y10T292/0951; Y10T292/0952; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1049; Y10T292/1051
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1939-02-10 | 1939-08-12 | 1940-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-02-10 | 1943-08-12 | 1944-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-02-10 | 1947-08-12 | 1948-02-11 | $7700.00 | Window Closed / Lapsed |