US3486484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formation of coatings
Assignee: British Iron and Steel Research Association BISRA
•
Filing: 1966-09-19
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Granted: 1969-12-30
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Expires: 1986-09-19
Abstract
No abstract record available.
Inventors
- 👤 William Bullough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:10
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/025; B05B5/057; B05C; B05C19/00; B05C19/04; B22; B22F; B22F7/00; B22F7/02; B22F7/04; C; C23; C23C; C23C24/00
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) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |