US2486218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable prop
Assignee: Individual
•
Filing: 1944-11-09
•
Granted: 1949-10-25
•
Expires: 1964-11-09
Abstract
No abstract record available.
Inventors
- 👤 Kirby T Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:52
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/32; E05C17/34; E05C17/345; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/282; Y10T292/42; Y10T292/444
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1244644A
Cited
US1609935A
Cited
US1701658A
Cited
US1746556A
Cited
US2226824A
Cited
US2311687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |