Patent US3432333A successfully refreshed from Google Patents.
US3432333A
Expired / Lapsed
US
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Composite differential release tape
Assignee: H P SMITH PAPERCO AN IL CORP
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Filing: 1966-02-28
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Granted: 1969-03-11
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Expires: 1986-02-28
Abstract
No abstract record available.
Inventors
- 👤 Alan R Hurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:57
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/40; C09J7/401; C09J2400/00; C09J2400/20; C09J2400/28; C09J2400/283; C09J2483/00; C09J2483/005; Y; Y10; Y10T; Y10T428/00; Y10T428/27; Y10T428/273; Y10T428/277; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A COMPOSITE DIFFERENTIAL RELEASE TAPE COMPRISING: A SUBSTRATE; A CURED COATING OF A FILLED ORGANOPOLYSILOXANE BONDED TO ONE SIDE OF SAID SUBSTRATE; AND A CURED COATING OF AN UNFILLED ORGANOPOLYSILOXANE BONDED TO THE OPPOSITE SIDE OF SAID SUBSTRATE; SAID FILLED ORGANOPOLYSILOXANE HAVING INCORPORATED THEREIN FINELY DIVIDED PARTICLES OF A FILLER IN AN AMOUNT SUFFICIENT TO INCREASE THE RELEASE VALUE OF SAID CURED FILLED ORGANOPOLYSILOXANE COATING TO A VALUE GREATER THAN THE RELEASE VALUE OF SAID CURED UNFILLED ORGANOPOLYSILOXANE COATING.
Claim 2
Dependent Claim
79 words
A COMPOSITE DIFFERENTIAL RELEASE TAPE COMPRISING: A SUBSTRATE; A CURED COATING OF A FILLED ORGANOPOLYSILOXANE BONDED TO ONE SIDE OF SAID SUBSTRATE; AND A CURED COATING OF AN UNFILLED ORGANOPOLYSILOXANE BONDED TO THE OPPOSITE SIDE OF SAID SUBSTRATE; SAID FILLED ORGANOPOLYSILOXANE HAVING INCORPORATED THEREIN FINELY DIVIDED PARTICLES OF A FILLER IN AN AMOUNT SUFFICIENT TO INCREASE THE RELEASE VALUE OF SAID CURED FILLED ORGANOPOLYSILOXANE COATING TO A VALUE GREATER THAN THE RELEASE VALUE OF SAID CURED UNFILLED ORGANOPOLYSILOXANE COATING.
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) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |