Patent US3013321A successfully refreshed from Google Patents.
US3013321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brick press
Assignee: INTERNAT CLAY MACHINERY OF DEL
•
Filing: 1959-02-20
•
Granted: 1961-12-19
•
Expires: 1979-02-20
Abstract
No abstract record available.
Inventors
- 👤 Roy H Mcelroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:47
CPC Classifications
B; B28; B28B; B28B3/00; B28B3/02; B28B3/022; B30; B30B; B30B11/00; B30B11/02; B30B11/022
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US994349A
Cited
US989211A
Cited
US1190912A
Cited
US1669682A
Cited
US1873412A
Cited
US1957421A
Cited
US2256798A
Cited
US2341012A
Cited
US2353492A
Cited
US2382458A
Cited
US2512092A
Cited
US2586210A
Cited
US2674008A
Cited
US2712168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |