US2515702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning apparatus for lamp shades having a rotary support, fluid spray, and drier
Assignee: Individual
•
Filing: 1946-05-31
•
Granted: 1950-07-18
•
Expires: 1966-05-31
Abstract
No abstract record available.
Inventors
- 👤 Wallace C Douglass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:43
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/26; A47L15/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1235571A
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US1755539A
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US1825651A
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US1986292A
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US2004419A
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US2044828A
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US2082004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |