US2887141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube bending machine with pivotally mounted adjustable pressure dies
Assignee: Pines Engineering Co Inc
•
Filing: 1955-03-16
•
Granted: 1959-05-19
•
Expires: 1975-03-16
Abstract
No abstract record available.
Inventors
- 👤 Byron F Bower
- 👤 Robert J Meredith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:21
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US395723A
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US1258892A
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US1570710A
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US1948474A
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US1938768A
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US2018040A
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US2327440A
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US2440599A
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US2437092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |