US3526938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: OC Oerlikon Corp AG Pfaeffikon
•
Filing: 1967-09-11
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Granted: 1970-09-08
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Expires: 1987-09-11
Abstract
No abstract record available.
Inventors
- 👤 Erich Grabher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:20
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/262; F; F16; F16C; F16C29/00; F16C2322/00; F16C2322/39; Y; Y10; Y10T; Y10T408/00; Y10T408/94; Y10T409/00; Y10T409/30; Y10T409/309576; Y10T409/309912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3377711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |