US2560047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for electrostatically depositing gas-suspended solids
Assignee: Bridgestone Firestone Inc
•
Filing: 1947-09-20
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Granted: 1951-07-10
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Expires: 1967-09-20
Abstract
No abstract record available.
Inventors
- 👤 Emerson W York
- 👤 Fay C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:31
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/08; B05B5/10; B05B14/00; B05B14/40; B05B14/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1788600A
Cited
US1976596A
Cited
US2047525A
Cited
US2097233A
Cited
US2426016A
Cited
US2362653A
Cited
US2428991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |