US3406618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing bricks, tiles, cobblestones and the like directly on the gorund to be covered
Assignee: Individual
•
Filing: 1965-08-03
•
Granted: 1968-10-22
•
Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 Bowman Bradshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:16
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/43; E01C19/50; E01C19/508; E01C9/00; E01C9/001
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) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |