US3466807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for machining irregularly curved surfaces
Assignee: August Lapple & Co GmbH
•
Filing: 1966-09-01
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Granted: 1969-09-16
•
Expires: 1986-09-01
Abstract
No abstract record available.
Inventors
- 👤 Eberhard Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:14
CPC Classifications
B; B24; B24B; B24B35/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE592959C
Cited
US1962489A
Cited
US2441701A
Cited
US2651888A
Cited
US3156072A
Cited
US3335525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |