US2651349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal bending brake
Assignee: Individual
•
Filing: 1950-08-09
•
Granted: 1953-09-08
•
Expires: 1970-08-09
Abstract
No abstract record available.
Inventors
- 👤 Sr Raymond E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:49
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/04; B21D5/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US338079A
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US494567A
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US562877A
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US721589A
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US929818A
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US2159784A
Cited
US2255368A
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US2336105A
Cited
US2343441A
Cited
US2438057A
Cited
GB626805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |