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Patent US3473735A successfully refreshed from Google Patents.
US3473735A
Expired / Lapsed
US
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Electrostatic coating apparatus
Assignee: Ransburg Corp
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Filing: 1968-04-25
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Granted: 1969-10-21
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Expires: 1988-04-25
Abstract
No abstract record available.
Inventors
- 👤 Edward W Drum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:35
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/025; B05B5/03; B05B7/00; B05B7/02; B05B7/06; B05B7/062; B05B7/066; B05B7/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2352252A
Cited
US3169882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |