Patent US3539411A successfully refreshed from Google Patents.
US3539411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for protectively covering substrate articles
Assignee: Raychem Corp
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Filing: 1967-12-07
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Granted: 1970-11-10
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Expires: 1987-12-07
Abstract
No abstract record available.
Inventors
- 👤 William Rosse Heslop
- 👤 Vincent L Lanza
- 👤 Edward C Stivers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:46
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/08; H02G15/18; H02G15/1806; B; B29; B29C; B29C61/00; B29C61/06; F; F16; F16L; F16L47/00; F16L47/20; F16L47/22; F16L58/00; F16L58/18; F16L58/181; F16L59/00; F16L59/02; F16L59/021; Y; Y10; Y10S; Y10S285/00; Y10S285/909
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) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |