Patent US1535210A successfully refreshed from Google Patents.
US1535210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exit door lock
Assignee: Individual
•
Filing: 1921-09-03
•
Granted: 1925-04-28
•
Expires: 1941-09-03
Abstract
No abstract record available.
Inventors
- 👤 Harry W Dyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:10
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/10; E05B65/1046; E05B65/106; E05B65/1066; E05B65/1006; Y; Y10; Y10S; Y10S70/00; Y10S70/73; Y10T; Y10T292/00; Y10T292/68; Y10T292/685; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5159; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/527
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) | 1928-04-27 | 1928-10-27 | 1929-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-04-27 | 1932-10-27 | 1933-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-04-27 | 1936-10-27 | 1937-04-28 | $7700.00 | Window Closed / Lapsed |