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US2614311A
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US
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Form for molding concrete footings and walls
Assignee: Individual
•
Filing: 1947-07-02
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Granted: 1952-10-21
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Expires: 1967-07-02
Abstract
No abstract record available.
Inventors
- 👤 Charles H Shook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:01
CPC Classifications
E; E04; E04G; E04G13/00; E04G11/00; E04G11/06; E04G11/08; E04G11/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1033461A
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US1109863A
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US1619321A
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US1552885A
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US1630796A
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US2055977A
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US2250064A
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US2251775A
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US2288365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |