US4085949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording sheets
Assignee: Fujifilm Holdings Corp
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Filing: 1976-09-22
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Granted: 1978-04-25
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Expires: 1996-09-22
Abstract
Abstract A recording sheet for pressure measurement comprising a regularly embossed support having coated thereon at least one of a color former or color formers, preferably contained in microcapsules, and a developer.
Inventors
- 👤 Yasuzi Asao
- 👤 Yasuhiro Ogata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:44
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/24; G01L1/247; Y; Y10; Y10S; Y10S428/00; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24554; Y10T428/24612; Y10T428/2462; Y10T428/25
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
53 words
A recording sheet comprising a support having coated thereon a continuous layer of microcapsules containing color former, said microcapsules being 0.1 to 100 microns in size and said support having a regularly embossed pattern thereon, said pattern being about 10 to 250 mesh and having a depth of 1 to about 200 microns.
Claim 2
Dependent Claim
53 words
A recording sheet comprising a support having coated thereon a continuous layer of microcapsules containing color former, said microcapsules being 0.1 to 100 microns in size and said support having a regularly embossed pattern thereon, said pattern being about 10 to 250 mesh and having a depth of 1 to about 200 microns.
Claim 3
Dependent Claim
37 words
The recording sheet as set forth in claim 1 wherein said embossed pattern is formed by embossing the surface of the support with an embossing plate or roll having a regular embossed pattern on the surface thereof.
Claim 4
Dependent Claim
53 words
The recording sheet as set forth in claim 1 wherein said support is a laminated sheet prepared by coating a polymer on the surface of a sheet by melt extrusion and the embossed pattern is formed by pressing the polymer surface with a cooling roll having a regularly embossed pattern on the surface.
Claim 5
Dependent Claim
65 words
A two-ply recording sheet comprising two supports, one of said supports having a regularly embossed pattern and being coated with a continuous layer of microcapsules containing color former, the other of said supports bearing developer, said microcapsules being 1 to 200 microns in size and said patterns being 10 to about 250 mesh in size and having a depth of 1 to about 200 microns.
Claim 6
Dependent Claim
65 words
A two-ply recording sheet comprising two supports, one of said supports having a regularly embossed pattern and being coated with a continuous layer of microcapsules containing color former, the other of said supports bearing developer, said microcapsules being 1 to 200 microns in size and said patterns being 10 to about 250 mesh in size and having a depth of 1 to about 200 microns.
Claim 7
Dependent Claim
56 words
A monoply recording sheet comprising a support having a regularly embossed pattern and being coated with a continuous layer of developer and microcapsules containing color former, said microcapsules being 1 to 200 microns in size and said pattern being 10 to about 250 mesh in size and having a depth of 1 to about 200 microns.
Claim 8
Dependent Claim
56 words
A monoply recording sheet comprising a support having a regularly embossed pattern and being coated with a continuous layer of developer and microcapsules containing color former, said microcapsules being 1 to 200 microns in size and said pattern being 10 to about 250 mesh in size and having a depth of 1 to about 200 microns.
Claim 9
Dependent Claim
66 words
A two-ply recording sheet comprising a color former sheet comprising a support having coated thereon a continuous layer of color former and a developer sheet comprising a support having coated thereon a continuous layer of developer, at least one of the supports for said color former sheet and said developer sheet having a regularly embossed pattern on the surface bearing the color former or the developer.
Claim 10
Dependent Claim
66 words
A two-ply recording sheet comprising a color former sheet comprising a support having coated thereon a continuous layer of color former and a developer sheet comprising a support having coated thereon a continuous layer of developer, at least one of the supports for said color former sheet and said developer sheet having a regularly embossed pattern on the surface bearing the color former or the developer.
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) | 1981-04-24 | 1981-10-24 | 1982-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-24 | 1985-10-24 | 1986-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-24 | 1989-10-24 | 1990-04-25 | $7700.00 | Window Closed / Lapsed |