US2488089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray gun attachment
Assignee: DeVilbiss Co
•
Filing: 1945-05-10
•
Granted: 1949-11-15
•
Expires: 1965-05-10
Abstract
No abstract record available.
Inventors
- 👤 Charles W Mayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:47
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/16; B05B7/1606; Y; Y10; Y10S; Y10S239/00; Y10S239/14; Y10T; Y10T137/00; Y10T137/8593
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US562957A
Cited
US750582A
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US2022481A
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US2177780A
Cited
US2244686A
Cited
US2266354A
Cited
US2369046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-14 | 1953-05-16 | 1953-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-14 | 1957-05-16 | 1957-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-14 | 1961-05-16 | 1961-11-15 | $7700.00 | Window Closed / Lapsed |