US3538812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milling machines
Assignee: JOSEF FROHLING FA
•
Filing: 1968-01-05
•
Granted: 1970-11-10
•
Expires: 1988-01-05
Abstract
No abstract record available.
Inventors
- 👤 Jean Morel
- 👤 Gerard Durand-Texte
- 👤 Josef Frohling
- 👤 Heinz Dittmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:27
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/13; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303976; Y10T409/304032; Y10T409/304088; Y10T409/30784; Y10T409/307896; Y10T409/307952; Y10T409/308344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |