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US2152469A
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Hobbing machine
Assignee: Schneider Electric Buildings Americas Inc
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Filing: 1935-09-11
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Granted: 1939-03-28
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Expires: 1955-09-11
Abstract
No abstract record available.
Inventors
- 👤 Edgar John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:23
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; B23F23/1237; B23F23/1243; B23F15/00; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10159; Y10T409/102544; Y10T409/102703; Y10T409/102862; Y10T82/00; Y10T82/25; Y10T82/2572
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) | 1942-03-27 | 1942-09-26 | 1943-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-03-27 | 1946-09-26 | 1947-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-03-27 | 1950-09-26 | 1951-03-28 | $7700.00 | Window Closed / Lapsed |