US2995068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hobbing machines
Assignee: CHURCHILL GEAR MACHINES Ltd
•
Filing: 1958-02-10
•
Granted: 1961-08-08
•
Expires: 1978-02-10
Abstract
No abstract record available.
Inventors
- 👤 Mills John Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:56
CPC Classifications
B; B23; B23F; B23F5/00; B23F5/20; B23F5/22; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/100795; Y10T409/100954; Y10T409/109699
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US536341A
Cited
US565285A
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US1179510A
Cited
GB190918839A
Cited
US1210237A
Cited
US2325164A
Cited
US2382013A
Cited
US2570660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |