Patent US2496196A successfully refreshed from Google Patents.
US2496196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diazotype coating solution for plastic carriers
Assignee: GAF Chemicals Corp
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Filing: 1945-11-28
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Granted: 1950-01-31
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Expires: 1965-11-28
Abstract
No abstract record available.
Inventors
- 👤 Botkin Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:48
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/52; G03C1/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A DIAZOTYPE AQUEOUS COATING SOLUTION FOR PLASTIC CARRIERS OF THE CLASS CONSISTING OF REGENERATED CELLULOSE, CELLULOSE ESTERS, AND CELLULOSE ETHERS COMPRISING A LIGHT SENSITIVE DIAZO COMPOUND AND AN ALIPHATIC HALOHYDRIN OF THE CLASS CONSISTING OF ETHYLENE CHLORHYDRIN, AND PROPYLENE CHLORHYDRIN.
Claim 2
Dependent Claim
40 words
A DIAZOTYPE AQUEOUS COATING SOLUTION FOR PLASTIC CARRIERS OF THE CLASS CONSISTING OF REGENERATED CELLULOSE, CELLULOSE ESTERS, AND CELLULOSE ETHERS COMPRISING A LIGHT SENSITIVE DIAZO COMPOUND AND AN ALIPHATIC HALOHYDRIN OF THE CLASS CONSISTING OF ETHYLENE CHLORHYDRIN, AND PROPYLENE CHLORHYDRIN.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |