US3547683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum deposition and radiation polymerisation of polymer coatings on substrates
Assignee: British Iron and Steel Research Association BISRA
•
Filing: 1967-06-19
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Granted: 1970-12-15
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Expires: 1987-06-19
Abstract
No abstract record available.
Inventors
- 👤 Terence Williams
- 👤 Michael W Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:14
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/60; B05D3/00; B05D3/06; B05D3/068; C; C08; C08F; C08F2/00; C08F2/46; C08G; C08G63/00; C08G63/02; C08G63/06; C08G63/08; C23; C23C; C23C14/00; C23C14/06; C23C14/12; C23C14/22; C23C14/56; C23C14/562; H; H01; H01J; H01J37/00; H01J37/02; H01J37/18; B05D2202/00; B05D2252/00; B05D2252/02; B05D3/04; B05D3/0493
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) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |