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Patent US2915252A successfully refreshed from Google Patents.
US2915252A
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US
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Fine droplet dispersing system
Assignee: Ajem Laboratories Inc
•
Filing: 1955-01-19
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Granted: 1959-12-01
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Expires: 1975-01-19
Abstract
No abstract record available.
Inventors
- 👤 Umbricht Emil
- 👤 Steenhagen Gerrit
- 👤 Willard L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:51
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/26; B05B1/262
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US654132A
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US1337589A
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GB187358A
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US2210846A
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US2314357A
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US2302021A
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US2690930A
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US2778685A
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US2829874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |