US2823050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adaptor-ring assembly for pipe-to-plate joint
Assignee: Individual
•
Filing: 1955-01-25
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Granted: 1958-02-11
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Expires: 1975-01-25
Abstract
No abstract record available.
Inventors
- 👤 Otto L Lagervall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:40
CPC Classifications
F; F16; F16L; F16L5/00; F16B; F16B9/00; F16B9/05; F16B9/054; F16B9/056; F16L41/00; F16L41/08; F16L41/14; F16B2200/00; F16B2200/10; F16B2200/20; F16B2200/205; F16B2200/40; F16B2200/406
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |