US2247237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ski attaching device
Assignee: Individual
•
Filing: 1939-03-08
•
Granted: 1941-06-24
•
Expires: 1959-03-08
Abstract
No abstract record available.
Inventors
- 👤 Carl O Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:42
CPC Classifications
A; A63; A63C; A63C9/00; A63C9/08; A63C9/086; A63C9/0807; A63C9/085; A63C9/08535; A63C9/08557; A63C9/08564; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1015; Y10T292/1022; Y10T292/1031
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) | 1944-06-23 | 1944-12-23 | 1945-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-23 | 1948-12-23 | 1949-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-23 | 1952-12-23 | 1953-06-24 | $7700.00 | Window Closed / Lapsed |