US2384311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical process
Assignee: Jasco Inc
•
Filing: 1942-02-12
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Granted: 1945-09-04
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Expires: 1962-02-12
Abstract
No abstract record available.
Inventors
- 👤 Kenneth K Kearby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:00
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/14; H02K5/143; H02K5/145; B; B01; B01D; B01D53/00; B01D53/02; B01D53/06; B01D53/08; B01J; B01J8/00; B01J8/18; C; C07; C07C; C07C7/00; C07C7/12; B01D2256/00; B01D2256/24; B01D2257/00; B01D2257/70; B01D2257/702; B01D2259/00; B01D2259/40; B01D2259/40011; B01D2259/40077; B01D2259/40081; B01D2259/40083; B01D2259/40088; B01D2259/4009
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) | 1948-09-03 | 1949-03-05 | 1949-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-09-03 | 1953-03-05 | 1953-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-09-03 | 1957-03-05 | 1957-09-04 | $7700.00 | Window Closed / Lapsed |