US3034379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite steel saw blades and method of making the same
Assignee: Sandvik AB
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Filing: 1959-06-15
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Granted: 1962-05-15
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Expires: 1979-06-15
Abstract
No abstract record available.
Inventors
- 👤 Bernstein Axel Vilhelm
- 👤 Hedlund Inge Erik Sigvard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:35
CPC Classifications
B; B23; B23D; B23D65/00; B23D61/00; B23D61/12; B23D61/123; B23D61/125; B32; B32B; B32B15/00; B32B15/01; B32B15/011; Y; Y10; Y10S; Y10S148/00; Y10S148/902; Y10S148/905; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12271; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958; Y10T428/12965
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) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |