US2446753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door handle assembly
Assignee: Detroit Harvester Co
•
Filing: 1945-09-06
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Granted: 1948-08-10
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Expires: 1965-09-06
Abstract
No abstract record available.
Inventors
- 👤 Burton S Floraday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:46
CPC Classifications
E; E05; E05B; E05B13/00; E05B13/10; E05B13/101; Y; Y10; Y10T; Y10T292/00; Y10T292/88; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5765; Y10T70/5805; Y10T70/5819
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |