US2687916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-feeding liquid dispensing and deodorizing device
Assignee: West Disinfecting Co
•
Filing: 1950-07-26
•
Granted: 1954-08-31
•
Expires: 1970-07-26
Abstract
No abstract record available.
Inventors
- 👤 Martin M Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:05
CPC Classifications
A; A47; A47K; A47K17/00; E; E03; E03D; E03D9/00; E03D9/02; E03D9/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR564307A
Cited
US1630837A
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US1734584A
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US1893648A
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US2255491A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |