Patent US3475362A successfully refreshed from Google Patents.
US3475362A
Expired / Lapsed
US
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Rubber adhesives
Assignee: PPG Industries Inc
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Filing: 1968-05-07
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Granted: 1969-10-28
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Expires: 1988-05-07
Abstract
No abstract record available.
Inventors
- 👤 John F Romanick
- 👤 Arthur B Pruiksma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:56
CPC Classifications
H; H01; H01S; H01S5/00; H01S5/30; C; C09; C09J; C09J111/00; C09J113/00; C09J123/00; C09J123/02; C09J123/18; C09J123/20; C09J123/22; C09J161/00; C09J161/04; C09J161/06; H10; H10H; H10H20/00; H10H20/80; H10P; H10P95/00; C08; C08L; C08L13/00; C08L2666/00; C08L2666/02; C08L45/00; Y; Y10; Y10S; Y10S148/00; Y10S148/018; Y10S148/02; Y10S148/048; Y10S148/049; Y10S148/052; Y10S148/059; Y10S148/067; Y10S148/072; Y10S148/142; Y10S148/15; Y10S438/00; Y10S438/967
Claims Analysis
Total Claims: 0
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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) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |