US3038397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for deforming insert in concrete joints
Assignee: Individual
•
Filing: 1959-06-23
•
Granted: 1962-06-12
•
Expires: 1979-06-23
Abstract
No abstract record available.
Inventors
- 👤 William F Middlestadt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:31
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/06; E01C23/09; E01C23/0966; E01C23/0986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1550102A
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US1718840A
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US1801622A
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US1865685A
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US1963700A
Cited
US1819304A
Cited
US2055974A
Cited
US2248478A
Cited
US2295322A
Cited
US2653806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |