Patent US2094652A successfully refreshed from Google Patents.
US2674293A
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US
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Collision unit
Assignee: BUILDERS ORNAMENTAL IRON Co
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Filing: 1950-12-09
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Granted: 1954-04-06
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Expires: 1970-12-09
Abstract
No abstract record available.
Inventors
- 👤 Jess L Elam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:34
CPC Classifications
B; B21; B21D; B21D1/00; B21D1/14; Y; Y10; Y10S; Y10S72/00; Y10S72/705
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1192209A
Cited
US1896610A
Cited
US1907925A
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US2045109A
Cited
US2422030A
Cited
US2445397A
Cited
US2491119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |