US3487953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slab turner
Assignee: BLISS-SALEM Inc A CORP OF
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Filing: 1968-12-06
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Granted: 1970-01-06
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Expires: 1988-12-06
Abstract
No abstract record available.
Inventors
- 👤 Siegfried Gerhard Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:02
CPC Classifications
B; B21; B21B; B21B39/00; B21B39/20; B21B39/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3010753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |