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US2881501A
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Concrete box-form construction
Assignee: Individual
•
Filing: 1955-07-11
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Granted: 1959-04-14
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Expires: 1975-07-11
Abstract
No abstract record available.
Inventors
- 👤 Vincent G Raney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:43
CPC Classifications
E; E04; E04G; E04G11/00; E04G11/36; E04G11/40; E04G11/46; Y; Y10; Y10S; Y10S249/00; Y10S249/02; Y10S264/00; Y10S264/44; Y10S425/00; Y10S425/029
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307031A
Cited
US1434242A
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US1767067A
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US1914417A
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US1892311A
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US2093401A
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US2775019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |