US3474573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool controls
Assignee: Unifrax I LLC
•
Filing: 1965-11-24
•
Granted: 1969-10-28
•
Expires: 1985-11-24
Abstract
No abstract record available.
Inventors
- 👤 Roger H Homeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:29
CPC Classifications
B; B23; B23Q; B23Q15/00; B23Q15/007; B23Q15/0075; B24; B24B; B24B7/00; B24B7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2240506A
Cited
US2360671A
Cited
US2740236A
Cited
US2767332A
Cited
US2859564A
Cited
US2986852A
Cited
US3044000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |