US3389466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall surface scarifying and preparing tool
Assignee: Horace T Parris
•
Filing: 1967-05-25
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Granted: 1968-06-25
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Expires: 1987-05-25
Abstract
No abstract record available.
Inventors
- 👤 Horace T Parris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:19
CPC Classifications
B; B44; B44C; B44C7/00; B44C7/02; B44C7/027
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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |