US2444551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear-cutting machine
Assignee: Gleason Works
•
Filing: 1944-11-09
•
Granted: 1948-07-06
•
Expires: 1964-11-09
Abstract
No abstract record available.
Inventors
- 👤 Oliver F Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:30
CPC Classifications
B; B23; B23F; B23F9/00; B23F9/08; B23F9/10; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/103816; Y10T409/104134; Y10T409/104611
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1590466A
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US1964800A
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US1969843A
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US2145000A
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US2339375A
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US2253683A
Cited
US2352689A
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US2302004A
Cited
US2264497A
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US2354181A
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US2370882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |