US2762220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for testing or forming gears
Assignee: Gleason Works
•
Filing: 1953-08-03
•
Granted: 1956-09-11
•
Expires: 1973-08-03
Abstract
No abstract record available.
Inventors
- 👤 Leonard O Carlson
- 👤 Theodore H Peck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:40
CPC Classifications
B; B23; B23Q; B23Q15/00; B23F; B23F19/00; B23F19/02; B23F19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1909088A
Cited
US2111170A
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US2363377A
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US2399918A
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US2445649A
Cited
US2629468A
Cited
US2582408A
Cited
US2653283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |