Patent US2045112A successfully refreshed from Google Patents.
US2045112A
Expired / Lapsed
US
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Concrete sea wall
Assignee: RAYMOND CONCRETE PILE CO
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Filing: 1933-08-26
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Granted: 1936-06-23
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Expires: 1953-08-26
Abstract
No abstract record available.
Inventors
- 👤 Maxwell M Upson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:50
CPC Classifications
E; E02; E02D; E02D29/00; E02D29/02; E02B; E02B3/00; E02B3/04; E02B3/06; E02D5/00; E02D5/02; E02D5/03; E02D5/10; E02D5/74; Y; Y02; Y02A; Y02A10/00; Y02A10/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-06-23 | 1939-12-23 | 1940-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-23 | 1943-12-23 | 1944-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-23 | 1947-12-23 | 1948-06-23 | $7700.00 | Window Closed / Lapsed |