US3524754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal plating of plastics
Assignee: Shell USA Inc
•
Filing: 1967-04-28
•
Granted: 1970-08-18
•
Expires: 1987-04-28
Abstract
No abstract record available.
Inventors
- 👤 George C Blytas
- 👤 Edward S Slott
- 👤 Edward R Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:11
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/28; C23C18/22; C23C18/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB539621A
Cited
US2355933A
Cited
US2511472A
Cited
US2690402A
Cited
US3093509A
Cited
US3259559A
Cited
US3377174A
Cited
US3414427A
Cited
US3442683A
Cited
US3437507A
Cited
US3425946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |