Patent US2748464A successfully refreshed from Google Patents.
US2748464A
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US
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Method of cold forming steel pressure cylinders
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1949-09-01
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Granted: 1956-06-05
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Expires: 1969-09-01
Abstract
No abstract record available.
Inventors
- 👤 Kaul Ben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:01
CPC Classifications
B; B21; B21K; B21K21/00; B21K21/06; B21C; B21C23/00; B21C23/02; B21C23/20; B21C23/205; B21K21/04; Y; Y10; Y10S; Y10S220/00; Y10S220/22
Claims Analysis
Total Claims: 0
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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) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |