US3436871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive cutting tools
Assignee: Hyprez Electrometallics Corp
•
Filing: 1966-07-07
•
Granted: 1969-04-08
•
Expires: 1986-07-07
Abstract
No abstract record available.
Inventors
- 👤 Eric J Schneider
- 👤 Peter A Saville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:37
CPC Classifications
B; B24; B24D; B24D99/00; B24D7/00; B28; B28D; B28D1/00; B28D1/02; B28D1/12; B28D1/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US693306A
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US678301A
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US1457452A
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US1864616A
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US2050054A
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US2442153A
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US2562587A
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US2633681A
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US2796705A
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US2811960A
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US3127715A
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US3150470A
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US3353526A
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US3343308A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |