US2672745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: Individual
•
Filing: 1950-07-15
•
Granted: 1954-03-23
•
Expires: 1970-07-15
Abstract
No abstract record available.
Inventors
- 👤 Marchetti Giovanni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:48
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/24; E05B63/242; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/0836; Y10T292/0843; Y10T292/096; Y10T292/0999; Y10T292/68; Y10T292/694; Y10T292/696; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/527; Y10T70/5279; Y10T70/5372; Y10T70/5376
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2043608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |