US2752291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid hydroforming
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1952-06-02
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Granted: 1956-06-26
•
Expires: 1972-06-02
Abstract
No abstract record available.
Inventors
- 👤 Walter A Rex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:10
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2414002A
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US2438728A
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US2446247A
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US2488406A
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US2662050A
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US2694672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |