US2624928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press for molding concrete building elements
Assignee: Individual
•
Filing: 1948-06-21
•
Granted: 1953-01-13
•
Expires: 1968-06-21
Abstract
No abstract record available.
Inventors
- 👤 Leonard D Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:26
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/02; B28B7/16; B28B7/18; B28B7/183; Y; Y10; Y10S; Y10S425/00; Y10S425/111
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2290339A
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US2334804A
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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) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |