US3478732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire saw drum
Assignee: WALTER T BONIN
•
Filing: 1967-03-15
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Granted: 1969-11-18
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Expires: 1987-03-15
Abstract
No abstract record available.
Inventors
- 👤 David J Clark
- 👤 Walter T Bonin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:13
CPC Classifications
B; B28; B28D; B28D5/00; B28D5/04; B28D5/045; B23; B23D; B23D57/00; B23D57/003; B23D57/0053; B28D5/0058; B28D5/0082; B28D5/0088
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) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |