US2582903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for producing chemical reac
Assignee: —
•
Filing: —
•
Granted: 1952-01-15
•
Expires: 1969-01-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:19
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088; C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/342; H; H05; H05H; H05H1/00; H05H1/24; H05H1/46; H05H1/4645; H05H1/466; H05H1/48; B01J2219/00; B01J2219/08; B01J2219/0803; B01J2219/0805; B01J2219/0807; B01J2219/0809; B01J2219/0824; B01J2219/0826; B01J2219/083; B01J2219/0869; B01J2219/0871; B01J2219/0873; B01J2219/0875; B01J2219/0877; Y; Y10; Y10S; Y10S422/00; Y10S422/906; Y10S55/00; Y10S55/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE223366C
Cited
FR375349A
Cited
GB315367A
Cited
US1977155A
Cited
US1989499A
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US2074530A
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US2106780A
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US2257177A
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US2364940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |