US3508949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Release agents for silicon pressure-sensitive adhesives
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1967-01-19
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Granted: 1970-04-28
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Expires: 1987-01-19
Abstract
No abstract record available.
Inventors
- 👤 Richard F Grossman
- 👤 Charles S Webber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:00
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/201; C09J7/22; C09J7/30; C09J7/38; C09J2301/00; C09J2301/40; C09J2301/414; C09J2427/00; C09J2427/005; C09J2479/00; C09J2479/02; C09J2479/025; C09J2483/00; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2839; Y10T428/2852
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3162660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |