US2602979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for casting concrete bodies with cavities therein
Assignee: RAYMOND CONCRETE PILE CO
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Filing: 1949-12-08
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Granted: 1952-07-15
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Expires: 1969-12-08
Abstract
No abstract record available.
Inventors
- 👤 Myers Van Buren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:28
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/86; Y; Y10; Y10S; Y10S264/00; Y10S264/73
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1365753A
Cited
US1408685A
Cited
US2052126A
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US1955760A
Cited
GB434538A
Cited
US2236616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |