Patent US2934526A successfully refreshed from Google Patents.
US2934526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers of a vinylphenyl boroxole
Assignee: Wyeth Holdings LLC
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Filing: 1957-09-06
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Granted: 1960-04-26
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Expires: 1977-09-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur K Hoffmann
- 👤 Walter M Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:47
CPC Classifications
C; C08; C08F; C08F30/00; C08F30/04; C08F30/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A POLYMER OF A VINYLPHENYL BOROXOLE, SAID BOROXOLE BEING REPRESENTED BY THE GENERAL FORMULA
Claim 2
Dependent Claim
14 words
A POLYMER OF A VINYLPHENYL BOROXOLE, SAID BOROXOLE BEING REPRESENTED BY THE GENERAL FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |