US3420030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown scaffolding
Assignee: WACO INTERNATIONAL (CLEVELAND) Inc CLEVELAND OH AN OH CORP
•
Filing: 1967-07-27
•
Granted: 1969-01-07
•
Expires: 1987-07-27
Abstract
No abstract record available.
Inventors
- 👤 Fred C Kosmach
- 👤 Richard C Mocny
- 👤 Donald B Moritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:35
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/30; E04G7/302; E04G7/303; E04G7/305; E04G11/00; E04G11/36; E04G11/48
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |