US3403480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool using the abrasion process
Assignee: Heald Machine Co
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Filing: 1965-08-26
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Granted: 1968-10-01
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Expires: 1985-08-26
Abstract
No abstract record available.
Inventors
- 👤 Edward G Robillard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:57
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/20; B23; B23Q; B23Q15/00; B24B49/00; B24B49/18; G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/416; G05B19/4166; G05B2219/00; G05B2219/30; G05B2219/41; G05B2219/41326; G05B2219/43; G05B2219/43152; G05B2219/45; G05B2219/45159; G05B2219/45161; G05B2219/50; G05B2219/50313
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) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |