US2665942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-fluid centrifugal spray machine
Assignee: Individual
•
Filing: 1951-01-09
•
Granted: 1954-01-12
•
Expires: 1971-01-09
Abstract
No abstract record available.
Inventors
- 👤 Bowen William Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:48
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/001; B05B3/02; B05B3/10; B05B3/1007; B05B3/1021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1289779A
Cited
US1878568A
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US1759629A
Cited
DE483321C
Cited
US1705310A
Cited
US1977763A
Cited
US2027699A
Cited
US2066531A
Cited
FR835057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |