Patent US3508534A successfully refreshed from Google Patents.
US3508534A
Expired / Lapsed
US
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Machines for sawing samples of brittle materials
Assignee: Kollmorgen Corp
•
Filing: 1966-12-27
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Granted: 1970-04-28
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Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 Jean Roger Henri Bonnefoy
- 👤 Bertrand Alain Dreyfus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:25
CPC Classifications
B; B28; B28D; B28D5/00; B28D5/04; B28D5/045; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49995; Y10T29/49996
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) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |