US2221553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel
Assignee: CHARLES M PALMER
•
Filing: 1936-12-21
•
Granted: 1940-11-12
•
Expires: 1956-12-21
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel N Okun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:53
CPC Classifications
F; F16; F16C; F16C13/00; F16C13/006; B; B60; B60B; B60B27/00; B60B27/0005; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C19/18; F16C19/181; F16C19/183; F16C19/184; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7886; F16C2316/00; F16C2316/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1943-11-12 | 1944-05-13 | 1944-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-12 | 1948-05-13 | 1948-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-12 | 1952-05-13 | 1952-11-12 | $7700.00 | Window Closed / Lapsed |