US3038231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete-molding plant
Assignee: CONCRETE CONDUIT Corp
•
Filing: 1959-07-24
•
Granted: 1962-06-12
•
Expires: 1979-07-24
Abstract
No abstract record available.
Inventors
- 👤 Bergesen Howard
- 👤 Jr Innis O'rourke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:24
CPC Classifications
B; B28; B28B; B28B5/00; B28B5/06; B28B5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US819931A
Cited
US1863839A
Cited
US1899115A
Cited
US1977257A
Cited
US2178015A
Cited
US2530687A
Cited
US2508293A
Cited
US2682695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |