Patent US1527863A successfully refreshed from Google Patents.
Patent US3045921A successfully refreshed from Google Patents.
US3045921A
Expired / Lapsed
US
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Electrostatic spraying apparatus
Assignee: Sulzer Escher Wyss GmbH
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Filing: 1960-10-28
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Granted: 1962-07-24
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Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 Heuschkel Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:36
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/025; B05B5/0255; B05B1/00; B05B1/30; B05B1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US768095A
Cited
US962209A
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US1642418A
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US2593357A
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US2893893A
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US2809902A
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US2710773A
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US2763575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |