US3127702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core and mold units for casting concrete posts and a post formed thereby
Assignee: Individual
•
Filing: 1960-01-12
•
Granted: 1964-04-07
•
Expires: 1980-01-12
Abstract
No abstract record available.
Inventors
- 👤 Elmer C Karstedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:01
CPC Classifications
B; B28; B28B; B28B23/00; E; E04; E04C; E04C3/00; E04C3/30; E04C3/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US869724A
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US966274A
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US1016151A
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US1187600A
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US1254205A
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GB249007A
Cited
US1648387A
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GB385419A
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US2126394A
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US2701905A
Cited
US2618037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |