Patent US2873505A successfully refreshed from Google Patents.
US2873505A
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US
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Method for pouring concrete structures
Assignee: Individual
•
Filing: 1954-11-26
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Granted: 1959-02-17
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Expires: 1974-11-26
Abstract
No abstract record available.
Inventors
- 👤 Sheldon Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:36
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/0075; E04H4/0081; E04G; E04G11/00; E04G11/06; E04G11/062; Y; Y10; Y10S; Y10S249/00; Y10S249/03; Y10S4/00; Y10S4/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1044862A
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US1141057A
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US1446681A
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US1517244A
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US1628316A
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US1922584A
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US2614311A
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US2523131A
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US2506485A
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US2669000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |