US3056557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray gun for electrostatic coating
Assignee: Individual
•
Filing: 1959-07-16
•
Granted: 1962-10-02
•
Expires: 1979-07-16
Abstract
No abstract record available.
Inventors
- 👤 Arvid C Walberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:50
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/025; B05B5/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA569794A
Cited
US1928963A
Cited
US2302289A
Cited
GB594913A
Cited
US2597775A
Cited
US2595774A
Cited
US2625590A
Cited
US2626187A
Cited
CH338037A
Cited
US2826451A
Cited
US2843425A
Cited
US2766064A
Cited
US2844408A
Cited
US3031145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |