US2966766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tools for the abrasive treatment of the interior of hollow bodies
Assignee: Individual
•
Filing: 1958-07-25
•
Granted: 1961-01-03
•
Expires: 1978-07-25
Abstract
No abstract record available.
Inventors
- 👤 James V Ronaldson
- 👤 Hollingworth Ralph Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:22
CPC Classifications
B; B24; B24D; B24D5/00; B24B; B24B41/00; B24B41/002; B24B5/00; B24B5/36; B24B5/40
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) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |