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Patent US2515536A successfully refreshed from Google Patents.
US2515536A
Expired / Lapsed
US
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Planographic repellent solution and method of preparing the same
Assignee: AB Dick Co
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Filing: 1946-04-05
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Granted: 1950-07-18
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Expires: 1966-04-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles H Van Dusen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:15
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
13 words
A PLANOGRAPHIC REPELLENT COMPOSITION COMPRISING A SOLUTION OF WATER, GLYCERINE, MONOAMMONIUM DIHYDROGEN PHOSPHATE
References Cited (Backward Citations)
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 |