US2363992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support for spherical pressure vessels
Assignee: AO Smith Corp
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Filing: 1942-05-09
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Granted: 1944-11-28
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Expires: 1962-05-09
Abstract
No abstract record available.
Inventors
- 👤 Reiser Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:40
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/08; F17C13/081; B; B65; B65D; B65D90/00; B65D90/12; Y; Y10; Y10S; Y10S248/00; Y10S248/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-11-28 | 1948-05-29 | 1948-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-28 | 1952-05-29 | 1952-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-28 | 1956-05-29 | 1956-11-28 | $7700.00 | Window Closed / Lapsed |