US2553450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller skate
Assignee: Individual
•
Filing: 1946-05-21
•
Granted: 1951-05-15
•
Expires: 1966-05-21
Abstract
No abstract record available.
Inventors
- 👤 Grant L Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:58
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/02; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/45
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US215752A
Cited
US241270A
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US280821A
Cited
US305644A
Cited
US2232195A
Cited
US2233355A
Cited
US2341576A
Cited
US2373220A
Cited
US2430533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |