US2704241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for dispensing alkali and water
Assignee: Individual
•
Filing: 1949-08-31
•
Granted: 1955-03-15
•
Expires: 1969-08-31
Abstract
No abstract record available.
Inventors
- 👤 Claude E Gannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:55
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/02; D06F39/022; A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4436; B; B01; B01F; B01F21/00; B01F21/20; B01F21/22; Y; Y10; Y10T; Y10T137/00; Y10T137/4891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1388136A
Cited
US1512009A
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US1611773A
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US1523645A
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US1586336A
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US1934304A
Cited
US2038260A
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US2387945A
Cited
US2471158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |