US2710040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bending machine
Assignee: Individual
•
Filing: 1953-10-29
•
Granted: 1955-06-07
•
Expires: 1973-10-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:46
CPC Classifications
B; B21; B21F; B21F1/00; B21F1/04; B21D; B21D7/00; B21D7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US620227A
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US910282A
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US975184A
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FR31121E
Cited
US1867581A
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US2086736A
Cited
US2203027A
Cited
FR867035A
Cited
US2316049A
Cited
US2491893A
Cited
US2661787A
Cited
AU617362B2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |