US3669722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Free flowing pellets of uncured elastomeric material
Assignee: DSM Copolymer Inc
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Filing: 1969-06-25
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Granted: 1972-06-13
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Expires: 1989-06-25
Abstract
Abstract FREE FLOWING PELLETS OF TACKY ELASTOMERIC MATERIAL IN WHICH THE ELASTOMERIC MATERIAL FORMS A CORE COATED WITH ONE OR MORE LAYERS IN WHICH THE OUTERMOST LAYER IS A HARD NON-TACKY LAYER CONTAINING A FILM FORMING MATERIAL.
Inventors
- 👤 William A Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:16
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/20; C08J3/22; C08J3/226; B; B29; B29B; B29B9/00; B29B9/02; B29B9/06; B29B9/12; B29B9/16; B29B2009/163; B29K; B29K2021/00; C08J2321/00; Y; Y10; Y10S; Y10S525/00; Y10S525/902; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982
Claims Analysis
Total Claims: 0
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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) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |