US2740716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic stripping tissue
Assignee: Xerox Corp
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Filing: 1954-06-17
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Granted: 1956-04-03
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Expires: 1974-06-17
Abstract
No abstract record available.
Inventors
- 👤 Ivin R Forman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:06
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/805
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
A PHOTOGRAPHIC STRIPPING TISSUE INCLUDING A TRANSPARENT PAPER SUPPORT HAVING A LIGHT TRANSMISSION DENSITY OF APPROXIMATELY 75%, A LIGHT-SENSITIVE EMULSION LAYER, A WATERPROOFING LAYER ATTACHED TO SAID LIGHT-SENSITIVE EMULSION LAYER, AND A SEPARATE STRIPPING LAYER CONTAINING CHLORINATED RUBBER LOCATED BETWEEN SAID WATERPROOFING LAYER AND THE TRANSPARENT PAPER SUPPORT AND ACTING TO PERMIT REMOVAL OF THE LIGHT-SENSITIVE LAYER AND WATERPROOFING LAYER FROM THE TRANSPARENT PAPER SUPPORT WHEN EITHER WET OR DRY.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |