Patent US2655836A successfully refreshed from Google Patents.
US3671007A
Expired / Lapsed
US
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Coated silicone rubber mold
Assignee: Polaroid Corp
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Filing: 1970-12-07
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Granted: 1972-06-20
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Expires: 1990-12-07
Abstract
Abstract A mold comprising a support, a silicone rubber layer of predetermined configuration and a layer of gamma aminopropyltriethoxysilane.
Inventors
- 👤 James L Bailey
- 👤 Franklin A Rodgers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:04
CPC Classifications
B; B01; B01D; B01D71/00; B01D71/06; B01D71/30; B01D71/32; B01D71/34; B01D69/00; B01D69/10; B01D69/108; B29; B29C; B29C67/00; B29C67/20; B29C67/202; C; C08; C08J; C08J9/00; C08J9/28; C08J2327/00; C08J2327/02; C08J2327/12; C08J2327/16; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24537; Y10T428/2457; Y10T428/24612; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
15 words
The invention of claim 1 wherein said configuration comprises at least eight convolutions per inch.
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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |