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US2618002A
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Fountain sponge having expansible discharge orifice
Assignee: JON HENRI Inc
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Filing: 1947-06-17
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Granted: 1952-11-18
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Expires: 1967-06-17
Abstract
No abstract record available.
Inventors
- 👤 John T Bowman
- 👤 Thomas H Eickhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:18
CPC Classifications
A; A47; A47L; A47L1/00; A47L1/06; A47L1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US663248A
Cited
US1009612A
Cited
GB191310741A
Cited
US1367758A
Cited
US1570824A
Cited
US1592430A
Cited
US2237793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |