US2570004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray gun for projecting powdered materials
Assignee: Individual
•
Filing: 1949-12-16
•
Granted: 1951-10-02
•
Expires: 1969-12-16
Abstract
No abstract record available.
Inventors
- 👤 Rufus S Penny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:04
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/14; B05B7/1404; B05B7/1413; E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US86471A
Cited
US591120A
Cited
US1566325A
Cited
US1552905A
Cited
GB423613A
Cited
US2055590A
Cited
US2246797A
Cited
GB547274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |