US2724867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller and shaft assembly
Assignee: International Motors LLC
•
Filing: 1952-02-26
•
Granted: 1955-11-29
•
Expires: 1972-02-26
Abstract
No abstract record available.
Inventors
- 👤 Coleman F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:02
CPC Classifications
B; B60; B60B; B60B37/00; B60B37/10; B29; B29C; B29C65/00; B29C65/56; B29C65/58; B29C66/00; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/5324; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; Y; Y10; Y10S; Y10S16/00; Y10S16/42; Y10S264/00; Y10S264/66; Y10S425/00; Y10S425/003; Y10S425/109; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49787; Y10T29/49789; Y10T29/4979; Y10T29/49799; Y10T29/49826; Y10T29/49904
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |