Patent US2431081A successfully refreshed from Google Patents.
US2431081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder spray dispenser
Assignee: RC Can Co
•
Filing: 1945-06-19
•
Granted: 1947-11-18
•
Expires: 1965-06-19
Abstract
No abstract record available.
Inventors
- 👤 Walter L Rutkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:09
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/04; B05B11/041; B05B11/06; B05B11/062; B65; B65D; B65D83/00; B65D83/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
AU1362033A
Cited
US2018525A
Cited
US2117362A
Cited
US2195800A
Cited
US2215937A
Cited
US2242146A
Cited
US2315581A
Cited
US2355127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-17 | 1951-05-19 | 1951-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-17 | 1955-05-19 | 1955-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-17 | 1959-05-19 | 1959-11-18 | $7700.00 | Window Closed / Lapsed |