US2107543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural gear shaping machine
Assignee: Fellows Gear Shaper Co
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Filing: 1934-07-27
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Granted: 1938-02-08
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Expires: 1954-07-27
Abstract
No abstract record available.
Inventors
- 👤 Edward W Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:28
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/02; B23F23/04; B23F19/00; B23F19/10; B23F19/102; B23F19/105; B23F23/12; B23F23/1237; B23F23/1287; B23F5/00; B23F5/12; B23F5/16; B23F5/166; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/5128; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10477; Y10T409/105088; Y10T409/105247; Y10T409/105406
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) | 1941-02-07 | 1941-08-09 | 1942-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-02-07 | 1945-08-09 | 1946-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-02-07 | 1949-08-09 | 1950-02-08 | $7700.00 | Window Closed / Lapsed |