US2450428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip forming apparatus
Assignee: Individual
•
Filing: 1944-03-23
•
Granted: 1948-10-05
•
Expires: 1964-03-23
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Hazelett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:33
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US342920A
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US359348A
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US437509A
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US1017943A
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US1831623A
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US2008626A
Cited
US2058447A
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US2058448A
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US2332759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-05 | 1952-04-05 | 1952-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-05 | 1956-04-05 | 1956-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-05 | 1960-04-05 | 1960-10-05 | $7700.00 | Window Closed / Lapsed |