US2843413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable door handle
Assignee: Individual
•
Filing: 1954-05-24
•
Granted: 1958-07-15
•
Expires: 1974-05-24
Abstract
No abstract record available.
Inventors
- 👤 Martin Arthur Seymon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:46
CPC Classifications
E; E05; E05B; E05B1/00; E05B1/003; E05B17/00; E05B17/20; E05B17/2084; E05B2017/2096; E05B65/00; E05B65/0014; Y; Y10; Y10T; Y10T292/00; Y10T292/85; Y10T292/854
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US503203A
Cited
US1787185A
Cited
US2190951A
Cited
US2473937A
Cited
US2523144A
Cited
US2586986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |