US3404134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of crosslinking polymers
Assignee: EIDP Inc
•
Filing: 1964-02-28
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Granted: 1968-10-01
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Expires: 1984-02-28
Abstract
No abstract record available.
Inventors
- 👤 Rees Richard Watkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:41
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/1055; B32B17/10743; C08F; C08F255/00; C08F8/00; C08F8/30; C08F8/32; C08F8/44; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/16; C08K5/17; C08F2800/00; C08F2800/20; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0846; C08L23/0869; C08L23/0876; Y; Y10; Y10S; Y10S260/00; Y10S260/31; Y10S273/00; Y10S273/22; Y10S36/00; Y10S36/02; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/139; Y10T428/1397; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31855; Y10T428/31938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2607762A
Cited
US2757153A
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US2757106A
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US2999056A
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US3132120A
Cited
US3264272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |