US2390320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure vessel
Assignee: Simmonds Aerocessories Inc
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Filing: 1943-12-28
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Granted: 1945-12-04
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Expires: 1963-12-28
Abstract
No abstract record available.
Inventors
- 👤 Overbeke John William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:33
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/04; F16L55/045; F16L55/05; F16L55/052; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/10; F15B1/18; F16L55/053; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3152; F15B2201/40; F15B2201/41; F15B2201/415; F15B2201/4155; F15B2201/43
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) | 1948-12-03 | 1949-06-04 | 1949-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-03 | 1953-06-04 | 1953-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-03 | 1957-06-04 | 1957-12-04 | $7700.00 | Window Closed / Lapsed |