US2498647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stockcar
Assignee: Individual
•
Filing: 1945-02-20
•
Granted: 1950-02-28
•
Expires: 1965-02-20
Abstract
No abstract record available.
Inventors
- 👤 Leonard G Burnam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:32
CPC Classifications
A; A01; A01K; A01K7/00; B; B61; B61C; B61C17/00; B61D; B61D27/00; B61D27/009; B61D3/00; B61D3/16; B61D3/163; B60; B60P; B60P3/00; B60P3/04
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) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |