US2982028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Checking device for bevel gear blanks
Assignee: Gleason Works
•
Filing: 1957-10-09
•
Granted: 1961-05-02
•
Expires: 1977-10-09
Abstract
No abstract record available.
Inventors
- 👤 Martin A Donohoe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:23
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1886543A
Cited
US1832953A
Cited
GB418780A
Cited
US2359018A
Cited
US2447445A
Cited
US2504961A
Cited
US2723461A
Cited
US2770048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |