US2828672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary cutter for gears and the like
Assignee: Gleason Works
•
Filing: 1955-07-08
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Granted: 1958-04-01
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Expires: 1975-07-08
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Mcmullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:10
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; B23F23/1206; B23F21/00; B23F21/12; B23F21/22; B23F21/223; B23F21/226; Y; Y10; Y10T; Y10T407/00; Y10T407/17; Y10T407/1705; Y10T407/171; Y10T409/00; Y10T409/10; Y10T409/107791; Y10T409/108109; Y10T409/108268
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |