US2678573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
True-rolling tube or rod bending tool
Assignee: Individual
•
Filing: 1951-04-05
•
Granted: 1954-05-18
•
Expires: 1971-04-05
Abstract
No abstract record available.
Inventors
- 👤 John A Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:50
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/06; B21D7/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US307922A
Cited
US670167A
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US1038088A
Cited
FR657817A
Cited
US1852518A
Cited
US2171907A
Cited
US2232819A
Cited
US2464800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |