US2870496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for stripping tubular castings from molds and cleaning the castings
Assignee: American Cast Iron Pipe Co
•
Filing: 1955-12-28
•
Granted: 1959-01-27
•
Expires: 1975-12-28
Abstract
No abstract record available.
Inventors
- 👤 Jacob L Cooper
- 👤 Kenneth R Daniel
- 👤 Jr James O Patton
- 👤 Jr Erskine Vandergrift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:47
CPC Classifications
B; B22; B22D; B22D13/00; B22D13/10; B22D13/108
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |