US2424032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor coaster
Assignee: Individual
•
Filing: 1945-05-01
•
Granted: 1947-07-15
•
Expires: 1965-05-01
Abstract
No abstract record available.
Inventors
- 👤 Henderson Clara May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:05
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US126789A
Cited
US385240A
Cited
US1420101A
Cited
US1454401A
Cited
US1378582A
Cited
US1529498A
Cited
US1737836A
Cited
US2052973A
Cited
US2124389A
Cited
US2318059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |