US2961581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic coating means and apparatus
Assignee: Schweitzer Electrostatic Co
•
Filing: 1955-02-14
•
Granted: 1960-11-22
•
Expires: 1975-02-14
Abstract
No abstract record available.
Inventors
- 👤 Grave Georg
- 👤 Gilles Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:59
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/025; B05B5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1832096A
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US2128327A
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US2546701A
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US2650329A
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US2625590A
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US2695002A
Cited
US2764712A
Cited
US2784114A
Cited
US2784351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |