US3472082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve lapping apparatus
Assignee: Individual
•
Filing: 1968-02-23
•
Granted: 1969-10-14
•
Expires: 1988-02-23
Abstract
No abstract record available.
Inventors
- 👤 Alois Juvan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:04
CPC Classifications
B; B24; B24B; B24B15/00; B24B15/04; F; F01; F01L; F01L1/00; F01L1/46; F16; F16H; F16H19/00; F16H19/08; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18416; Y10T74/18424; Y10T74/18448; Y10T74/19; Y10T74/1987; Y10T74/19874
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |