US2849022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined pressure relief and pressure indicating device
Assignee: Individual
•
Filing: 1954-04-13
•
Granted: 1958-08-26
•
Expires: 1974-04-13
Abstract
No abstract record available.
Inventors
- 👤 Alexander E Kramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:48
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/168; A; A47; A47J; A47J27/00; A47J27/08; A47J27/09; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K2200/00; F16K2200/30; F16K2200/302; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7841; Y10T137/7904; Y10T137/7922; Y10T137/7925; Y10T137/8158; Y10T137/8225; Y10T137/8275; Y10T137/8593; Y10T137/87917; Y10T137/88022; Y10T137/8803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1088817A
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CH121281A
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US2005813A
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US2033678A
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DE715978C
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US2428483A
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US2686531A
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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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |