US3415149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for wasteless cutting of metal
Assignee: UK G PI TJAZHPROMELEKTROPROEKT
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Filing: 1967-08-25
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Granted: 1968-12-10
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Expires: 1987-08-25
Abstract
No abstract record available.
Inventors
- 👤 Ziljberman Boris Zalmanovich
- 👤 Grigorenko Vladimi Dmitrievich
- 👤 Ziljbershtein Mikha Borisovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:16
CPC Classifications
B; B23; B23D; B23D36/00; B23D36/0008; B23D36/0016; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4737; Y10T83/525; Y10T83/531; Y10T83/533; Y10T83/54
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) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |