US3129131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray drying apparatus
Assignee: C E ROGERS Co
•
Filing: 1960-10-27
•
Granted: 1964-04-14
•
Expires: 1980-10-27
Abstract
No abstract record available.
Inventors
- 👤 Richard R Henszey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:08
CPC Classifications
A; A23; A23C; A23C1/00; A23C1/04; Y; Y10; Y10S; Y10S159/00; Y10S159/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2055940A
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US2084976A
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US2320755A
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US2346500A
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US2475984A
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US2561394A
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US2635684A
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US2677608A
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US2815071A
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US2904323A
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US3012331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |