US2916376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light sensitive coating composition
Assignee: United Biscuit Co of America
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Filing: 1955-02-10
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Granted: 1959-12-08
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Expires: 1975-02-10
Abstract
No abstract record available.
Inventors
- 👤 Walter T Ritter
- 👤 Robert O Ragan
- 👤 Robert F Trant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:37
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/04; Y; Y10; Y10S; Y10S430/00; Y10S430/156; Y10S430/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
53 words
A LIGHT SENISTIVE COATING SOULATION COMPRISING A PAR TICALLY OXIDIZED CARBOHYDRATE COMPOUND SELECTED FROM THE GROUP CONSISTING OF DEGRADED STARCH AND CORN STARCH AND WHEAT STARCH AND DEXTRIN,SAID COMPOUND HAVING AN ALLYL GROUP ATTACHED THERETO BY AN ETHER LINKAGE, LIGHT SENSITIZING DICHROMATE, AND A COMMON SOLVENT SYSTEM FOR SAID COMPOUND AND SAID DICHROMATE.
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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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |