US2812004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separate yieldable pressure means on slide of pivoted type of pipe bender
Assignee: Combustion Engineering Inc
•
Filing: 1955-05-27
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Granted: 1957-11-05
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Expires: 1975-05-27
Abstract
No abstract record available.
Inventors
- 👤 Huet Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:47
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/02; B21D7/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE208913C
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US434804A
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US588223A
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US2636537A
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CA494207A
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US1261191A
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US1810340A
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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) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |