US3426112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building unit casting and facing method and apparatus
Assignee: Individual
•
Filing: 1966-05-16
•
Granted: 1969-02-04
•
Expires: 1986-05-16
Abstract
No abstract record available.
Inventors
- 👤 Ernest J Taylor-Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:38
CPC Classifications
B; B28; B28B; B28B19/00; B28B19/0007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1987721A
Cited
US1164099A
Cited
US1471990A
Cited
US1547260A
Cited
US1489979A
Cited
US2208054A
Cited
US2677856A
Cited
US2890492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |