US2772816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying devices for powder
Assignee: Individual
•
Filing: 1954-03-08
•
Granted: 1956-12-04
•
Expires: 1974-03-08
Abstract
No abstract record available.
Inventors
- 👤 Denvor George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:04
CPC Classifications
A; A61; A61M; A61M13/00; B; B05; B05B; B05B11/00; B05B11/01; B05B11/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1841646A
Cited
US1715986A
Cited
US2071580A
Cited
US2315581A
Cited
US2580580A
Cited
US2525742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |