US1579141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety pressure-relieving device
Assignee: Linde Air Products Co
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Filing: 1922-09-25
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Granted: 1926-03-30
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Expires: 1942-09-25
Abstract
No abstract record available.
Inventors
- 👤 Raymond C Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:09
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/14; F16K17/16; F16K17/162
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) | 1929-03-29 | 1929-09-28 | 1930-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-03-29 | 1933-09-28 | 1934-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-03-29 | 1937-09-28 | 1938-03-30 | $7700.00 | Window Closed / Lapsed |