US2198079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: Frantz Manufacturing Co
•
Filing: 1938-07-02
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Granted: 1940-04-23
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Expires: 1958-07-02
Abstract
No abstract record available.
Inventors
- 👤 William D Ferris
- 👤 Cecil R Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:10
CPC Classifications
E; E05; E05B; E05B67/00; E05B67/38; E05B67/383; Y; Y10; Y10S; Y10S292/00; Y10S292/36; Y10S70/00; Y10S70/11; Y10S70/57; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/102; Y10T292/1022; Y10T292/1025; Y10T292/1097; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5319
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) | 1943-04-23 | 1943-10-23 | 1944-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-23 | 1947-10-23 | 1948-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-23 | 1951-10-23 | 1952-04-23 | $7700.00 | Window Closed / Lapsed |