Patent US2854055A successfully refreshed from Google Patents.
US2854055A
Expired / Lapsed
US
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Pipe-bending machines with swiveled head and having an oscillatable stop bar with cam to retract mandrel
Assignee: Individual
•
Filing: 1955-02-09
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Granted: 1958-09-30
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Expires: 1975-02-09
Abstract
No abstract record available.
Inventors
- 👤 Brindley Frederick
- 👤 Cocks George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:18
CPC Classifications
B; B21; B21D; B21D9/00; B21D9/05; B21D9/07; B21D9/073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1600339A
Cited
US735307A
Cited
US1949938A
Cited
DE627458C
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US2127185A
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US2306224A
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US2306223A
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US2312121A
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US2382745A
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US2454867A
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GB683965A
Cited
US2583479A
Cited
US2667202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |