Patent US1464456A successfully refreshed from Google Patents.
US1464456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock
Assignee: PAULINE KRONSTEIN
•
Filing: 1921-12-27
•
Granted: 1923-08-07
•
Expires: 1941-12-27
Abstract
No abstract record available.
Inventors
- 👤 August F W Viehweger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:42
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/12; E05B63/122; Y; Y10; Y10S; Y10S70/00; Y10S70/49; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0848; Y10T292/0849; Y10T292/0851; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5204; Y10T70/5208; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7802; Y10T70/7808
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) | 1926-08-06 | 1927-02-05 | 1927-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-08-06 | 1931-02-05 | 1931-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-08-06 | 1935-02-05 | 1935-08-07 | $7700.00 | Window Closed / Lapsed |