US3395016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive insulation with p-xylene polymers
Assignee: Union Carbide Corp
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Filing: 1964-12-24
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Granted: 1968-07-30
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Expires: 1984-12-24
Abstract
No abstract record available.
Inventors
- 👤 William E Loeb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:12
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/039; C; C08; C08G; C08G61/00; C08G61/02; C08G61/025; C08G2261/00; C08G2261/30; C08G2261/34; C08G2261/342; C08G2261/3424
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
22 words
METHOD FOR SELECTIVELY ETCHING SUBSTRATE SURFACES WHICH COMPRISES: (A) MAKING AN ETCHABLE SUBSTRATE COATED WITH A P-XYLYLENT POLYMER HAVING THE REPEATING UNIT:
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) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |