US3103768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for shaping the edges of flat workpieces
Assignee: GEWEKA AG
•
Filing: 1961-09-18
•
Granted: 1963-09-17
•
Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Tsunoda Kenneth
- 👤 Tappe Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:05
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US504006A
Cited
US2890549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |