US2724173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing pressure chambers
Assignee: Individual
•
Filing: 1951-01-04
•
Granted: 1955-11-22
•
Expires: 1971-01-04
Abstract
No abstract record available.
Inventors
- 👤 Girard Alexandre Auguste Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:46
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/0026; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/4927; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US740473A
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US1422929A
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US1665468A
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US2243464A
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US2362505A
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US2277109A
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US2443312A
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US2478818A
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US2459954A
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US2598756A
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US2598975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |