Patent US2720907A successfully refreshed from Google Patents.
US2720907A
Expired / Lapsed
US
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Wire straightener
Assignee: ABRAHAM BORUT
•
Filing: 1952-08-22
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Granted: 1955-10-18
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Expires: 1972-08-22
Abstract
No abstract record available.
Inventors
- 👤 Peter E Seibel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:34
CPC Classifications
B; B21; B21F; B21F1/00; B21F1/02; B21F1/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US293212A
Cited
US293213A
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US710151A
Cited
US937489A
Cited
US2067972A
Cited
US1912940A
Cited
FR939118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |