Patent US2603677A successfully refreshed from Google Patents.
Patent US2255094A successfully refreshed from Google Patents.
US2255094A
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Gear cutting machine
Assignee: Maag Zahnrader und Maschinen AG
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Filing: 1938-11-07
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Granted: 1941-09-09
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Expires: 1958-11-07
Abstract
No abstract record available.
Inventors
- 👤 Aeppli Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:47
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; B23F23/1237; B23F23/1256; B23F21/00; B23F21/04; B23F21/08; Y; Y10; Y10S; Y10S82/00; Y10S82/90; Y10T; Y10T409/00; Y10T409/10; Y10T409/100159; Y10T409/101431; Y10T409/106519; Y10T409/107155; Y10T409/107314
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) | 1944-09-08 | 1945-03-10 | 1945-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-08 | 1949-03-10 | 1949-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-08 | 1953-03-10 | 1953-09-09 | $7700.00 | Window Closed / Lapsed |