US2954207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheelhead
Assignee: Heald Machine Co
•
Filing: 1958-02-24
•
Granted: 1960-09-27
•
Expires: 1978-02-24
Abstract
No abstract record available.
Inventors
- 👤 Rolland C Griffith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:25
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/04; Y; Y10; Y10S; Y10S415/00; Y10S415/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |