US2585045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trap for compressed gas systems
Assignee: Specialties Development Corp
•
Filing: 1947-05-08
•
Granted: 1952-02-12
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Expires: 1967-05-08
Abstract
No abstract record available.
Inventors
- 👤 Albertus E Schmidlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:37
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/16; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2703; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/3028; Y10T137/3034; Y10T137/304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1937855A
Cited
US1450561A
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US1691630A
Cited
US1871546A
Cited
US2348357A
Cited
US2361393A
Cited
US2339469A
Cited
US2406214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |