US3432969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for cleaning a joint in a work of concrete
Assignee: Sika Holding AG
•
Filing: 1966-10-27
•
Granted: 1969-03-18
•
Expires: 1986-10-27
Abstract
No abstract record available.
Inventors
- 👤 Carlos Byttebier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:34
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/08; E01C; E01C23/00; E01C23/06; E01C23/09; E01C23/0906
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1954111A
Cited
US2455514A
Cited
US2628456A
Cited
US2684558A
Cited
US3043200A
Cited
US3075319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |