US2488985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material delivery device
Assignee: DeVilbiss Co
•
Filing: 1945-02-23
•
Granted: 1949-11-22
•
Expires: 1965-02-23
Abstract
No abstract record available.
Inventors
- 👤 Donald J Peeps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:49
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/02; B05B7/06; B05B7/062; B05B7/066; B05B7/24; B05B7/2489
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US653292A
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US967450A
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US1067999A
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US1297622A
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US1332544A
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US1590430A
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US1703219A
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US2088082A
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US2079564A
Cited
US2127731A
Cited
US2208464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |