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US3014518A
Expired / Lapsed
US
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Pipe bending machine
Assignee: CRUTCHER ROLFS CUMMINGS Inc
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Filing: 1958-12-29
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Granted: 1961-12-26
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 James D Cummings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:01
CPC Classifications
B; B21; B21D; B21D9/00; B21D9/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1105914A
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US1890039A
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US2347593A
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US2401052A
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US2453531A
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GB610607A
Cited
US2615413A
Cited
US2708471A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |