Patent US2704876A successfully refreshed from Google Patents.
US2704876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for casting concrete window frames in a wall
Assignee: Individual
•
Filing: 1954-02-15
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Granted: 1955-03-29
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Expires: 1974-02-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Lawrence P Puckett
- 👤 Schillinger Jack
- 👤 Joshua J Segal
- 👤 Blumberg David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:58
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/04; E06B1/24; E04; E04G; E04G15/00; E04G15/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1253981A
Cited
US1458416A
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US1700889A
Cited
US1630801A
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US1863549A
Cited
US2011527A
Cited
US2557631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-28 | 1958-09-27 | 1959-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-28 | 1962-09-27 | 1963-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-28 | 1966-09-27 | 1967-03-29 | $7700.00 | Window Closed / Lapsed |