US3527093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instruments for testing the adhesion of coatings to surfaces
Assignee: Elcometer Instruments Ltd
•
Filing: 1968-10-18
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Granted: 1970-09-08
•
Expires: 1988-10-18
Abstract
No abstract record available.
Inventors
- 👤 Ian C Sellers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:46
CPC Classifications
G; G01; G01N; G01N19/00; G01N19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2113725A
Cited
US3289458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |